Colorado Gem & Mineral Co. - Rocks for the Rest of Us

Artigas, Uruguay

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Agate Stalactite
Item: 2330
Locality: Artigas, Uruguay
L: 4.00in
W: 2.50in
H: 0.25in
Weight: 0.00
Very fine design with crystal rim. Polished on both sides...
$75.00
Agate with Quartz Polished Stalactite cross section
Item: 7973
Locality: Artigas, Uruguay
L: 3.50in
W: 1.60in
H: 0.00in
Weight: 0.00ct
Bullseye of multicolored Agate with Flawless Quartz (pale amethyst color)  crystals radiating..
$55.00
Amethyst
Item: 9583
Locality: Artigas, Uruguay
L: 3.00in
W: 3.00in
H: 1.50in
Weight: 0.00g
Amethyst crystals on matrix with round formation. ..
$45.00
Amethyst
Item: 1632
Locality: Artigas, Uruguay
L: 5.00in
W: 3.00in
H: 2.00in
Weight: 470.00g
Brilliant, sharp Amethyst crystals on matrix. ..
$50.00
Amethyst
Item: 9680
Locality: Artigas, Uruguay
L: 3.00in
W: 2.00in
H: 1.00in
Weight: 0.00g
Beautiful, deep-purple Amethyst on matrix with natural composition. ..
$55.00
Amethyst
Item: 1652
Locality: Artigas, Uruguay
L: 4.00in
W: 3.00in
H: 2.75in
Weight: 585.00g
Bright Amethyst crystals on multi-colored Agate matrix. ..
$70.00
Amethyst
Item: 9471
Locality: Artigas, Uruguay
L: 3.50in
W: 2.50in
H: 1.50in
Weight: 0.00g
Amethyst crystals on Agate matrix. ..
$35.00
Amethyst
Item: 9729
Locality: Artigas, Uruguay
L: 11.00in
W: 7.50in
H: 5.00in
Weight: 12.30lb
Amethyst formation with custom steel stand, best deep purple color,  brilliant crystals with..
$825.00
Amethyst
Item: 9105
Locality: Artigas, Uruguay
L: 2.00in
W: 1.50in
H: 1.50in
Weight: 0.00ct
Group of gemmy Amethyst crystals. Excellent quality, no matrix ..
$45.00
Amethyst
Item: 9581
Locality: Artigas, Uruguay
L: 6.00in
W: 3.00in
H: 2.00in
Weight: 0.00g
Beautiful Amethyst crystals on agate matrix. ..
$65.00
Amethyst
Item: 1638
Locality: Artigas, Uruguay
L: 4.00in
W: 3.50in
H: 3.00in
Weight: 905.00g
Bright Amethyst crystals in hill-like formation on matrix. ..
$85.00
Amethyst
Item: 9725
Locality: Artigas, Uruguay
L: 10.00in
W: 7.50in
H: 3.00in
Weight: 8.00lb
Dramatic formation of deep purple brilliant Amethyst crystals on polished multicolored Agate, ..
$485.00
Amethyst
Item: 7962
Locality: Artigas, Uruguay
L: 4.00in
W: 3.50in
H: 3.50in
Weight: 1.25lb
Beautiful formation of deep-purple Amethyst crystals on agate with several display angles. ..
$75.00
Amethyst
Item: 9586
Locality: Artigas, Uruguay
L: 8.00in
W: 6.00in
H: 1.50in
Weight: 2.50lb
Thin plate of dark purple Amethyst crystals with undulating composition. ..
$90.00
Amethyst
Item: 1641
Locality: Artigas, Uruguay
L: 7.50in
W: 4.00in
H: 3.00in
Weight: 1,270.00g
Big brilliant Amethyst crystals with excellent color on matrix. Rugged, natural aesthet..
$125.00
Amethyst
Item: 9314
Locality: Artigas, Uruguay
L: 3.25in
W: 2.00in
H: 1.25in
Weight: 0.00ct
Curving Amethyst druse, brilliant and dark purple.  The best grade of Uruguayan Amethyst. ..
$55.00
Amethyst
Item: 9689
Locality: Artigas, Uruguay
L: 4.50in
W: 4.50in
H: 3.00in
Weight: 0.00g
Deep-purple Amethyst crystals with multi-colored Agate and interesting contours. ..
$65.00
Amethyst
Item: 9469
Locality: Artigas, Uruguay
L: 3.00in
W: 2.50in
H: 1.50in
Weight: 0.00g
Sharp Amethyst crystals on matrix. ..
$25.00
Amethyst
Item: 9721
Locality: Artigas, Uruguay
L: 3.00in
W: 3.00in
H: 2.50in
Weight: 0.00ct
Dome shaped flower of Amethyst crystals, with concentric agate bullseye on bottom.  Crystals ..
$95.00
Amethyst
Item: 9103
Locality: Artigas, Uruguay
L: 5.50in
W: 3.00in
H: 1.50in
Weight: 0.00ct
Darkest purple Amethyst crystals with pollished spot showing colored agate below. ..
$95.00
Amethyst
Item: 1628
Locality: Artigas, Uruguay
L: 4.50in
W: 4.00in
H: 2.00in
Weight: 580.00g
Brilliant Amethyst crystals on multi-colored Agate matrix. ..
$60.00
Amethyst
Item: 9668
Locality: Artigas, Uruguay
L: 4.50in
W: 3.00in
H: 3.00in
Weight: 0.00g
Sharp Amethyst crystals on thick, multi-colored Agate rim. ..
$60.00
Amethyst
Item: 9106
Locality: Artigas, Uruguay
L: 2.00in
W: 1.50in
H: 1.50in
Weight: 0.00ct
Gemmy brilliant Amethyst crystals in group without matrix.  Little beauty. ..
$50.00
Amethyst
Item: 1629
Locality: Artigas, Uruguay
L: 4.00in
W: 3.00in
H: 2.00in
Weight: 430.00g
Brilliant Amethyst on multi-colored Agate matrix. ..
$45.00
Amethyst
Item: 9686
Locality: Artigas, Uruguay
L: 5.00in
W: 3.00in
H: 1.00in
Weight: 0.00g
Amethyst crystals with great color and luster on thin matrix. ..
$55.00
Amethyst
Item: 6874
Locality: Artigas, Uruguay
L: 6.50in
W: 6.50in
H: 2.50in
Weight: 1,930.00g
 Excellent color Amethyst surrounded by basalt.  Has sawed bottom to stand up.  Te..
$135.00
Amethyst
Item: 1631
Locality: Artigas, Uruguay
L: 5.00in
W: 3.00in
H: 3.00in
Weight: 625.00g
Deep-purple Amethyst crystals in a flower-like formation. ..
$75.00
Amethyst
Item: 9207
Locality: Artigas, Uruguay
L: 4.00in
W: 3.50in
H: 2.00in
Weight: 460.00g
Large gem deep purple crystals of Amethyst with rim of  multicolored Agate. ..
$110.00
Amethyst
Item: 9521
Locality: Artigas, Uruguay
L: 3.00in
W: 2.00in
H: 2.00in
Weight: 0.50lb
Cluster of well-formed Amethyst crystals with fantastic color. ..
$65.00
Amethyst
Item: 1639
Locality: Artigas, Uruguay
L: 4.00in
W: 2.50in
H: 2.00in
Weight: 305.00g
Brilliant Amethyst crystals on matrix. ..
$35.00
Amethyst
Item: 9263
Locality: Artigas, Uruguay
L: 4.50in
W: 3.50in
H: 2.50in
Weight: 300.00g
Triangular section of Amethyst druse, the finest color crystals on translucent Agate base.  E..
$95.00
Amethyst
Item: 1627
Locality: Artigas, Uruguay
L: 5.00in
W: 3.00in
H: 2.50in
Weight: 555.00g
Brilliant Amethyst crystals on beautiful Agate matrix, very aesthetic. ..
$95.00
Amethyst
Item: 9523
Locality: Artigas, Uruguay
L: 3.50in
W: 2.00in
H: 2.00in
Weight: 0.50lb
Unusual Amethyst formation with crystals on all sides, similar to a "flower". Displays from all an..
$75.00
Amethyst
Item: 9655
Locality: Artigas, Uruguay
L: 4.50in
W: 3.00in
H: 2.50in
Weight: 506.00g
Amethyst on multi-colored Agate with gemmy, honey-colored Calcite crystals.  ..
$65.00
Amethyst
Item: 1637
Locality: Artigas, Uruguay
L: 4.00in
W: 3.00in
H: 2.00in
Weight: 430.00g
Bright Amethyst crystals on matrix. ..
$30.00
Amethyst
Item: 9524
Locality: Artigas, Uruguay
L: 4.50in
W: 3.50in
H: 2.50in
Weight: 1.00lb
Brilliant Amethyst druse in a ridge formation with unlimited viewing angles. Beautiful decor piece..
$195.00
Amethyst
Item: 1643
Locality: Artigas, Uruguay
L: 6.00in
W: 3.00in
H: 3.00in
Weight: 1,070.00g
Outstanding, bright Amethyst crystals on thick Agate matrix.   One of our bes..
$175.00
Amethyst
Item: 9222
Locality: Artigas, Uruguay
L: 3.00in
W: 0.00in
H: 0.00in
Weight: 0.00ct
3 3.5 inch pieces of high grade Uruguayan Amethyst ..
$40.00
Amethyst
Item: 9659
Locality: Artigas, Uruguay
L: 3.75in
W: 3.00in
H: 1.50in
Weight: 0.00g
Excellent-color, sharp Amethyst crystals on matrix. ..
$85.00
Amethyst
Item: 7901
Locality: Artigas, Uruguay
L: 5.00in
W: 3.00in
H: 2.00in
Weight: 0.00g
Dramatic and geologically educational specimen of Amethyst crystals on lining of multicolored agat..
$95.00
Amethyst
Item: 1633
Locality: Artigas, Uruguay
L: 2.50in
W: 2.00in
H: 2.00in
Weight: 255.00g
Brilliant, deep-purple Amethyst crystals on matrix. ..
$35.00
Amethyst
Item: 9360
Locality: Artigas, Uruguay
L: 6.00in
W: 4.00in
H: 2.50in
Weight: 0.00g
Brilliant Amethyst crystals in upright composition on Basalt matrix. ..
$100.00
Amethyst
Item: 9727
Locality: Artigas, Uruguay
L: 12.50in
W: 8.00in
H: 3.00in
Weight: 9.00lb
Finest color brilliant Amethyst druse lining a geode section that has a polished Agate rim, on a c..
$535.00
Amethyst
Item: 7953
Locality: Artigas, Uruguay
L: 2.75in
W: 2.00in
H: 2.00in
Weight: 0.00ct
..
$45.00
Amethyst
Item: 9357
Locality: Artigas, Uruguay
L: 7.50in
W: 5.00in
H: 4.00in
Weight: 5.50lb
Brilliant Amethyst of the darkest color with polished Agate edges. Self standing, great decor spec..
$300.00
Amethyst
Item: 9525
Locality: Artigas, Uruguay
L: 3.50in
W: 3.25in
H: 2.00in
Weight: 0.63lb
Beautiful Amethyst stalactite with a blue Agate core and endless display angles. ..
$175.00
Amethyst
Item: 2742
Locality: Artigas, Uruguay
L: 7.00in
W: 5.00in
H: 2.50in
Weight: 2.20
Intriguing formation of stalactites. weight is 2.2 lb. shipping will be $8 in USA..
$55.00
Amethyst
Item: 1636
Locality: Artigas, Uruguay
L: 5.00in
W: 4.00in
H: 3.00in
Weight: 1,180.00ct
Large Amethyst crystal with smaller crystals on matrix. ..
$95.00
Amethyst
Item: 9232
Locality: Artigas, Uruguay
L: 3.50in
W: 2.50in
H: 1.50in
Weight: 265.00ct
Beautiful knob of high grade Amethyst, brilliant. ..
$50.00
Amethyst
Item: 9660
Locality: Artigas, Uruguay
L: 4.50in
W: 4.00in
H: 3.00in
Weight: 0.00g
Aesthetic formation of bright Amethyst crystals on matrix. ..
$75.00
Amethyst
Item: 7964
Locality: Artigas, Uruguay
L: 13.00in
W: 9.50in
H: 3.50in
Weight: 16.50lb
Large plate of the darkest possible Amethyst crystals, gem quality.  A museum piece.  We..
$395.00
Amethyst
Item: 9362
Locality: Artigas, Uruguay
L: 4.50in
W: 3.50in
H: 2.50in
Weight: 0.00g
Brilliant Amethyst druse on basalt showing half of a stalactite. ..
$75.00
Amethyst
Item: 9724
Locality: Artigas, Uruguay
L: 10.50in
W: 5.00in
H: 3.50in
Weight: 5.50lb
New from the Tucson 2019 show,  Plate of drusy Amethyst with deep color and a polished stalac..
$275.00
Amethyst
Item: 9359
Locality: Artigas, Uruguay
L: 6.00in
W: 4.50in
H: 4.00in
Weight: 4.00lb
Brilliant Amethyst crystals in a natural composition that resembles a crashing wave. ..
$200.00
Amethyst
Item: 9529
Locality: Artigas, Uruguay
L: 4.00in
W: 2.50in
H: 2.00in
Weight: 0.50lb
Beautiful Amethyst druse in unusual rolling formation. ..
$75.00
Amethyst
Item: 1634
Locality: Artigas, Uruguay
L: 4.00in
W: 3.00in
H: 3.00in
Weight: 595.00g
Brilliant, sharp Amethyst crystals on matrix. ..
$65.00
Amethyst
Item: 9698
Locality: Artigas, Uruguay
L: 5.00in
W: 2.75in
H: 2.50in
Weight: 583.00g
One of our finest Amethyst specimens, the darkest brilliant purple crystals imaginable. Only Urugu..
$125.00
Amethyst
Item: 9365
Locality: Artigas, Uruguay
L: 4.00in
W: 3.50in
H: 3.50in
Weight: 0.00g
Amethyst druse with multi-colored agate and polished sides. ..
$75.00
Amethyst
Item: 9731
Locality: Artigas, Uruguay
L: 17.00in
W: 15.00in
H: 9.00in
Weight: 74.50lb
Our best museum size Amethyst.  Large plate with polished multicolored Agate rim, with brill..
$3,200.00
Amethyst
Item: 9366
Locality: Artigas, Uruguay
L: 5.00in
W: 4.00in
H: 3.50in
Weight: 2.25lb
Beautifully shaped Amethyst specimen with polished Agate edges. Many display angles, shape resembl..
$100.00
Amethyst
Item: 9528
Locality: Artigas, Uruguay
L: 4.00in
W: 3.00in
H: 3.00in
Weight: 1.50lb
Brilliant Amethyst druse in a beautiful rolling formation. ..
$85.00
Amethyst
Item: 1630
Locality: Artigas, Uruguay
L: 7.00in
W: 3.00in
H: 1.50in
Weight: 635.00g
Long plate of deep-purple Amethyst crystals on multi-colored Agate matrix. ..
$75.00
Amethyst
Item: 8941
Locality: Artigas, Uruguay
L: 6.00in
W: 3.50in
H: 3.00in
Weight: 0.00ct
Rolling crystal formation of brilliant Amethyst.  Shows basalt country rock. ..
$115.00
Amethyst
Item: 1651
Locality: Artigas, Uruguay
L: 5.00in
W: 3.00in
H: 1.75in
Weight: 500.00g
Brilliant, deep-purple Amethyst crystals on Agate matrix. ..
$70.00
Amethyst
Item: 9361
Locality: Artigas, Uruguay
L: 5.00in
W: 4.50in
H: 4.00in
Weight: 0.00g
Brilliant Amethyst druse in a beautiful, cascading formation. ..
$125.00
Amethyst
Item: 9730
Locality: Artigas, Uruguay
L: 9.50in
W: 5.50in
H: 3.50in
Weight: 5.50lb
Drusy Amethyst covering plate of multicolored agate that's polished on the sides. One polished bul..
$215.00
Amethyst
Item: 9358
Locality: Artigas, Uruguay
L: 7.00in
W: 4.00in
H: 3.00in
Weight: 2.50lb
Brilliant Amethyst druse with an emerging stalactite, very flashy. ..
$115.00
Amethyst / Agate Geode
Item: 8864
Locality: Artigas, Uruguay
L: 5.00in
W: 4.00in
H: 3.00in
Weight: 2.00lb
Amethyst geode with a beautiful rim of thick, polished Agate. ..
$95.00
Amethyst Cast after Aragonite crystals in core
Item: 8624
Locality: Artigas, Uruguay
L: 3.50in
W: 3.00in
H: 2.00in
Weight: 0.00ct
This rare formation from Uruguay consists of Amethyst druse crusts that at one time covered a prev..
$255.00
Amethyst Cluster
Item: 9709
Locality: Artigas, Uruguay
L: 2.50in
W: 2.00in
H: 1.50in
Weight: 0.00g
Cluster of premium, Uruguay Amethyst with larger crystal, very aesthetic. ..
$55.00
Amethyst Flower
Item: 9470
Locality: Artigas, Uruguay
L: 2.50in
W: 2.00in
H: 1.00in
Weight: 0.00g
Beautiful tip of an Amethyst stalactite with an agate core visible on the underside. Displays well..
$55.00
Amethyst Flower
Item: 9720
Locality: Artigas, Uruguay
L: 3.00in
W: 2.00in
H: 2.00in
Weight: 0.00ct
Brilliant flower shaped cluster of Amethyst crystals, a stalactite with agate center.  The cr..
$110.00
Amethyst Geode
Item: 8634
Locality: Artigas, Uruguay
L: 5.00in
W: 4.00in
H: 3.00in
Weight: 0.00ct
Geode of dark brilliant Amethyst crystals.  Natural look. ..
$125.00
Amethyst Geode
Item: 9296
Locality: Artigas, Uruguay
L: 7.50in
W: 4.00in
H: 3.50in
Weight: 3.00lb
Dark Amethyst crystals lining thin shelled geode, natural look, dramatic crystal specimen ..
$265.00
Amethyst Geode
Item: 9688
Locality: Artigas, Uruguay
L: 5.00in
W: 4.00in
H: 2.00in
Weight: 0.00g
Beautiful, shallow Amethyst geode with raw Agate rim and natural contours. ..
$105.00
Amethyst Geode
Item: 1649
Locality: Artigas, Uruguay
L: 9.00in
W: 7.00in
H: 7.00in
Weight: 15.00lb
"The Cave", a classic deep geode with medium color.  100% natural and unpolished. ..
$325.00
Amethyst Geode
Item: 9324
Locality: Artigas, Uruguay
L: 7.00in
W: 6.00in
H: 5.00in
Weight: 7.00lb
Brilliant deep purple Amethyst crystals lining curved agate rim in basalt.  Beautiful decor s..
$295.00
Amethyst Geode
Item: 8869
Locality: Artigas, Uruguay
L: 6.00in
W: 5.50in
H: 3.00in
Weight: 2.50lb
Amethyst geode with blue Agate and polished edges.  ..
$165.00
Amethyst Geode
Item: 8867
Locality: Artigas, Uruguay
L: 7.00in
W: 4.00in
H: 3.50in
Weight: 3.00lb
Amethyst/Agate geode with brilliant crystals and multi-colored Agate rim. ..
$185.00
Amethyst Geode
Item: 7802
Locality: Artigas, Uruguay
L: 4.50in
W: 4.00in
H: 2.25in
Weight: 0.00lb
Nice geode, with deep cavcity, medium purple Amethyst crystals with agate exterior. ..
$155.00
Amethyst Geode
Item: 8865
Locality: Artigas, Uruguay
L: 3.00in
W: 3.00in
H: 2.00in
Weight: 0.75lb
Amethyst geode with polished Agate rim. ..
$45.00
Amethyst Geode
Item: 8874
Locality: Artigas, Uruguay
L: 8.00in
W: 6.00in
H: 5.00in
Weight: 9.00lb
Excellent, large Amethyst geode with great luster and polished Agate rim. ..
$425.00
Amethyst Geode
Item: 8108
Locality: Artigas, Uruguay
L: 6.50in
W: 6.00in
H: 6.00in
Weight: 8.00lb
Very fine museum grade Amethyst Geode, Basalt rock incorporating pocket of Amethyst, geologically ..
$335.00
Amethyst Geode
Item: 9101
Locality: Artigas, Uruguay
L: 8.00mm
W: 6.00mm
H: 3.50mm
Weight: 0.00ct
Brilliant Amethyst crystals with good color with multicolored agate rim, and polished front. ..
$265.00
Amethyst Geode / Agate
Item: 9519
Locality: Artigas, Uruguay
L: 4.00in
W: 4.00in
H: 3.50in
Weight: 1.75lb
Amethyst geode with fantastic color and form, polished on all sides to show multi-colored Agate. ..
$225.00
Amethyst Geode with Calcite
Item: 8868
Locality: Artigas, Uruguay
L: 7.50in
W: 4.00in
H: 4.00in
Weight: 0.00g
Amethyst geode with Calcite crystal and beautiful, polished, multi-colored Agate rim. Very aesthe..
$210.00
Amethyst Geode with Custom Stand
Item: 9532
Locality: Artigas, Uruguay
L: 17.00in
W: 7.50in
H: 6.00in
Weight: 28.75lb
Spectacular geode with large, gemmy, deep-purple crystals. Custom-made, stainless-steel stand..
$1,450.00
Amethyst Geode with Custom Stand
Item: 9531
Locality: Artigas, Uruguay
L: 12.00in
W: 11.00in
H: 10.00in
Weight: 24.50lb
Spectacular, deep geode with very fine color and polished rim showing multi-colored Agate. In..
$1,450.00
Amethyst Geode with Custom Stand
Item: 9533
Locality: Artigas, Uruguay
L: 13.00in
W: 9.00in
H: 4.00in
Weight: 13.00lb
Plate of deep-colored Amethyst with pleasing contours. Polished rim shows multi-colored agate..
$950.00
Amethyst Geode/Agate
Item: 8574
Locality: Artigas, Uruguay
L: 6.00in
W: 3.50in
H: 2.50in
Weight: 0.00ct
Amethyst crystals in Agate lined geode. Polished front.  Nice decor specimen. ..
$145.00
Amethyst Geode/Agate
Item: 7711
Locality: Artigas, Uruguay
L: 6.00in
W: 4.00in
H: 4.00in
Weight: 3.00lb
Amethyst geode with large cavern, thin multicolored agate rim, polished in the front.  Excell..
$185.00
Amethyst Geode/Agate
Item: 7183
Locality: Artigas, Uruguay
L: 5.50in
W: 5.00in
H: 3.00in
Weight: 3.00lb
Multicolored Agate rim on Amethyst Geode, beautifully polished on the front.  Very nice decor..
$165.00
Amethyst Geode/Agate
Item: 7712
Locality: Artigas, Uruguay
L: 4.50in
W: 3.00in
H: 2.50in
Weight: 0.00ct
Nice Amethyst geode with natural look, and a calcite crystal on right side. ..
$55.00
Amethyst Geode/Agate
Item: 8698
Locality: Artigas, Uruguay
L: 7.50in
W: 5.00in
H: 3.50in
Weight: 3.00lb
Miniature cavern with brilliant Amethyst druse lining cavity formed out of multicolored Agate.&nbs..
$175.00
Amethyst Geodes in Basalt
Item: 1646
Locality: Artigas, Uruguay
L: 8.50in
W: 5.00in
H: 3.50in
Weight: 2,110.00g
Basalt with portions of three different geodes, fashioned to display at different angles. Th..
$265.00
Amethyst in Basalt
Item: 1647
Locality: Artigas, Uruguay
L: 9.50in
W: 4.00in
H: 3.50in
Weight: 1,890.00g
Beautiful, rolling formation of Amethyst with creamy Agate, in Basalt.   Grea..
$125.00
Amethyst on Basalt
Item: 9211
Locality: Artigas, Uruguay
L: 8.00in
W: 6.00in
H: 5.00in
Weight: 7.50lb
Decor specimen of brilliant Amethyst crystals in formation with wave shape, with Basalt matrix.&nb..
$145.00
Amethyst Pseudomorph
Item: 9886
Locality: Artigas, Uruguay
L: 2.50in
W: 2.00in
H: 2.00in
Weight: 0.00g
Pseudomorph of Agate after Aragonite with Amethyst, very unusual. ..
$65.00
Amethyst Stalactite
Item: 7828
Locality: Artigas, Uruguay
L: 4.00in
W: 2.00in
H: 2.00in
Weight: 0.00g
Brilliant Amethyst stalactite with hourglass shape and custom stand. Unlimited viewing angles. ..
$70.00
Amethyst Stalactite
Item: 9302
Locality: Artigas, Uruguay
L: 2.50in
W: 2.00in
H: 1.50in
Weight: 0.00g
Excellent cluster of Amethyst stalactites with many display angles and very unique form. ..
$85.00
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