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Agate
Item: 9515
Locality: Chihuahua, Mexico
L: 2.25in
W: 1.00in
H: 0.90in
Weight: 0.00ct
Polished Agate section from Mexico's famous Agate state, Chihuahua. ..
$35.00
Agate
Item: 4941
Locality: Coyomitas Ranch, Chihuahua, Mexico
L: 2.00in
W: 1.50in
H: 1.33in
Weight: 0.00kg
Cream colors in polished agate half with drusy center.   ..
$40.00
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 radiatin..
$55.00
Albite and Quartz
L: 4.00in
W: 2.50in
H: 1.75in
Weight: 0.00
Very sharp flawless quartz and smaller ones on matrix of well-formed albites that cover both sides o..
$65.00
Amazonite
Item: 1308
Locality: Afghanistan
L: 2.00in
W: 1.50in
H: 1.25in
Weight: 0.00kg
Translucent emerald green crystal with a little matrix, very rare locallity. ..
$85.00
Amazonite
Item: 1132
Locality: Lake George, Colorado, USA
L: 2.00in
W: 2.00in
H: 1.00in
Weight: 0.00
Nice color amazonites with two terminated smoky quartz crystals..
$145.00
Amazonite and Smoky Quartz
L: 4.00in
W: 3.00in
H: 2.00in
Weight: 0.00
Complete smoky quartzes with amazonites of medium color. Solid piece, no repairs. Collected by Nick..
$425.00
Amazonite on Quartz
L: 3.00in
W: 3.00in
H: 2.50in
Weight: 0.00ct
Two Amazonites on Quartz, unnoticeable repair, Robin's egg blue for your display case ..
$40.00
Amazonite with Albite and Smoky Quartz
L: 1.50in
W: 1.20in
H: 1.00in
Weight: 0.00ct
Aesthetic combination of  Amazonite, Smoky Quartz, and Albite.  Classic ..
$110.00
Amazonite with Smoky Quartz
L: 3.75in
W: 2.50in
H: 1.50in
Weight: 0.00ct
Terminated Smoky Quartz with several Amazonite crystals of good color, Tip of Smoky shows indenta..
$250.00
Amazonite with Smoky Quartz
L: 2.25in
W: 1.50in
H: 1.00in
Weight: 0.00ct
Miniature of Smoky Quartz with good color Amazonite crystals. Difficult to find specimen. ..
$100.00
Amazonite with Smoky Quartz
L: 2.00in
W: 2.00in
H: 2.00in
Weight: 0.00
Very nice Smoky Quartzes on partial amazonite with good color...
$95.00
Amber with eight insects
Item: 1145
L: 0.00mm
W: 0.00mm
H: 0.00mm
Weight: 0.00ct
Small insects perfectly preserved in amber from the classic locality for amber. ..
$65.00
Amber with flying insect
Item: 1146
Locality: Baltic Sea
L: 1.00in
W: 0.00in
H: 0.00in
Weight: 0.00ct
Also has moveable water bubble inclusions trapped inside. Classic locality for amber, perfect fly..
$85.00
Amblygonite with Eosphorite
L: 2.25in
W: 2.00in
H: 1.00in
Weight: 0.00
Nice partially gemmy blocky crystal of amblygonite with partial coating of brilliant eosphorites,cem..
$120.00
Amethyst
L: 14.00mm
W: 12.00mm
H: 0.00mm
Weight: 9.16ct
Eye clean cushion with medium reddish purple color, cut from our rough.  9.16 carats  $..
$274.00
Amethyst
Item: 9008
Locality: Bou Oudi, Tata Province, Morocco
L: 17.00mm
W: 14.00mm
H: 12.00mm
Weight: 16.33ct
Siberian color octagon (Barion cut).  Finest color, clarity, and cut possible. One of our to..
$735.00
Amethyst
Item: 7519
Locality: Bahia, Brazil
L: 30.00mm
W: 26.00mm
H: 0.00mm
Weight: 74.18ct
Flawless oval, well cut. 74.18 carats, $35/ct 30x26 mm ..
$2,596.00
Amethyst
Item: 3355
L: 23.00mm
W: 20.00mm
H: 0.00mm
Weight: 32.36ct
Brejinha, Bahia, Brazil, Flawless cushion with excellent color, very, very fine Amethyst. 32.36 c..
$1,130.00
Amethyst
L: 13.50mm
W: 0.00mm
H: 0.00mm
Weight: 9.48ct
Flawless Asscher cut, no zoning, great Four Peaks gem.   cinnamon tone.  9.48 cara..
$330.00
Amethyst
Item: 7759
Locality: Tata, Morocco
L: 2.25in
W: 1.75in
H: 1.00in
Weight: 0.00ct
Very rare cluster of Tata, Amethyst. Has two flawless crystals each could cut a 3 carat gem. ..
$165.00
Amethyst
Item: 6960
L: 24.00mm
W: 16.00mm
H: 0.00mm
Weight: 37.03ct
Four Peaks Mine, Maricopa County, Arizona, USA, Cushion with reddish purple color, clean except f..
$1,110.00
Amethyst
L: 17.00mm
W: 10.50mm
H: 0.00mm
Weight: 10.45ct
Bright elongated step cut octagon with great reddish purple color, clean to the eye,  a few ..
$418.00
Amethyst
Item: 6536
Locality: Artigas, Uruguay
L: 5.00in
W: 2.50in
H: 2.00in
Weight: 0.00ct
Dramatic two sided coating of Basalt with dark brilliant Amethyst crystals, striped agate.  ..
$95.00
Amethyst
Item: 1595
Locality: Nigeria
L: 0.00in
W: 1.75in
H: 0.00in
Weight: 0.00
Siberian color amethyst with zoning used in design to mimick nature. Excellent carving done in Fujia..
$110.00
Amethyst
L: 37.00mm
W: 32.00mm
H: 16.00mm
Weight: 53.14ct
One of the finest Four Peaks we have cut, a flawless 53.14 carat cushion with excellent color, so..
$2,390.00
Amethyst
L: 15.00mm
W: 9.00mm
H: 0.00mm
Weight: 7.49ct
Red violet octagon, clean, like a purple neon light, classic step cut to perfect angles. 7.49ct $..
$335.00
Amethyst
L: 13.00mm
W: 10.00mm
H: 0.00mm
Weight: 6.35ct
Siberian color octagon set in 14Kt gold, clean to the eye (tiny inclusions under 10x), finest col..
$525.00
Amethyst
Item: 9476
Locality: Brandberg Massif, Namibia
L: 2.50in
W: 2.50in
H: 2.00in
Weight: 0.00g
Amethyst / Smoky Quartz scepters with deep reddish purple color mixed with smoky zones.  ..
$110.00
Amethyst
Item: 8409
Locality: Bou Oudi, Tata Province, Morocco
L: 14.60mm
W: 0.00mm
H: 9.10mm
Weight: 8.56ct
Best possible Siberian color, blue with red flashes. Trillion cut with 8.56 carats, $40/ct ..
$342.00
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
L: 12.80mm
W: 0.00mm
H: 0.00mm
Weight: 6.19ct
Siberian color trillion, clean to the eye, minor veils under 10x, 6.19 carats $35/ct ..
$217.00
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 aga..
$95.00
Amethyst
Item: 6428
L: 19.00mm
W: 11.00mm
H: 0.00mm
Weight: 11.33ct
Four Peaks Mine, Maricopa County, Arizona USA, Our special cushion shape, zoning creates unique l..
$396.00
Amethyst
L: 16.00mm
W: 9.00mm
H: 7.50mm
Weight: 7.39ct
Finest color step cut octagon from Four Peaks, has 2 phase inclusion under 10x, very bright gem.&..
$295.00
Amethyst
L: 20.00mm
W: 16.00mm
H: 0.00mm
Weight: 19.30ct
Four Peaks, Maricopa County, Arizona, Very fine cushion, 19.30 carats, slight veils but very live..
$482.00
Amethyst
L: 13.00mm
W: 11.00mm
H: 0.00mm
Weight: 7.37ct
Super bright octagon with reddish violet color, small characteristic liquid inclusions under 10X,..
$295.00
Amethyst
Item: 8418
Locality: Tata, Morocco
L: 17.00mm
W: 0.00mm
H: 0.00mm
Weight: 15.18ct
Siberian color Amethyst, portuguese round cut, super brilliant. Has a few microscopic characteris..
$607.00
Amethyst
Item: 7034
Locality: Xobodobos, Brandberg area, Namibia
L: 4.75in
W: 3.00in
H: 0.00in
Weight: 0.00
Classic specimen of Amethyst crystal, brilliant with a water bubble inside, jutting out of a cavity ..
$255.00
Amethyst
Item: 4583
L: 15.00mm
W: 12.00mm
H: 0.00mm
Weight: 11.84ct
Four Peaks Mine, Maricopa County, Arizona, USA, Flawless bright octagon, classic step cut, perfec..
$350.00
Amethyst
Item: 8387
Locality: Bou Oudi, Tata Province, Morocco
L: 14.00mm
W: 14.00mm
H: 0.00mm
Weight: 7.68ct
Siberian color heart, red violet and bright.  7.68 carats $35/ct ..
$269.00
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: 6872
L: 6.00in
W: 5.00in
H: 4.50in
Weight: 0.00kg
Artigas, Uruguay, Sawed block of basalt with geode cavity of Amethyst. A geology lesson and beaut..
$85.00
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: 8413
Locality: Bou Oudi, Tata Province, Morocco
L: 14.00mm
W: 0.00mm
H: 0.00mm
Weight: 8.29ct
Deep purple Amethyst of the finest Siberian color, no flaws, some microscopic hematite threads th..
$331.00
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: 7632
Locality: Morelia, Mexico
L: 4.00in
W: 3.00in
H: 2.00in
Weight: 0.00kg
Cluster of Amethyst crystals, phantoms of amethyst inside with colorless outer zone. From new pro..
$135.00
Amethyst
Item: 9301
Locality: Artigas, Uruguay
L: 6.00in
W: 5.00in
H: 2.50in
Weight: 3.00lb
Amethyst druse with great color.  Multicolored agate rim.  Shipping $12 ..
$110.00
Amethyst
Item: 6438
L: 20.00mm
W: 15.00mm
H: 0.00mm
Weight: 13.39ct
Four Peaks Mine, Maricopa Cnty., Arizona, USA, Reddish purple drop with great cut, has faint veil..
$308.00
Amethyst
L: 15.00mm
W: 9.00mm
H: 7.20mm
Weight: 7.09ct
Flawless deep reddish purple octagon, excellent step cut.  A premium Four Peaks gem with Sib..
$319.00
Amethyst
Item: 8316
Locality: Pao d'Arco, Para, Brazil
L: 14.00mm
W: 13.00mm
H: 0.00mm
Weight: 10.83ct
Bright cushion from Brazil. Flawless 10.93 carats $25/ct ..
$270.00
Amethyst
Item: 3378
L: 17.00mm
W: 16.00mm
H: 0.00mm
Weight: 21.60ct
Four Peaks, Maricopa Cnty., Arizona, USA, Perfectly cut bright cushion with medium color, very sl..
$259.00
Amethyst
L: 10.60mm
W: 0.00mm
H: 0.00mm
Weight: 4.23ct
Siberian color trillion, characteristic micro inclusions of liquid, proof of origin.  4.23 c..
$148.00
Amethyst
Item: 8419
Locality: Bou Oudi, Tata Province, Morocco
L: 15.00mm
W: 0.00mm
H: 0.00mm
Weight: 9.15ct
Siberian color trillion, excellent cut, clean to the eye. Some isolated metallic hematite threads..
$366.00
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
L: 8.50mm
W: 0.00mm
H: 0.00mm
Weight: 2.35ct
Beveled triangle, flawless, Bright medium purple, 4.09 carats $35/ct ..
$143.00
Amethyst
L: 12.00mm
W: 0.00mm
H: 0.00mm
Weight: 5.57ct
Siberian color Four Peaks trillion, clean, super gem from 10 feet away!   5.57 carats $..
$250.00
Amethyst
Item: 8388
Locality: Bou Oudi, Tata Province, Morocco
L: 16.00mm
W: 10.00mm
H: 0.00mm
Weight: 8.74ct
"Electric" reddish purple octagon, bright step cut, eye clean, 8.74 carats $30/ct ..
$262.00
Amethyst
Item: 7970
Locality: Xobodobos, Gobobseb Mtns., Namibia
L: 4.00in
W: 3.00in
H: 1.75in
Weight: 0.00g
Amethyst crystal on Rhyolite (volcanic rock) One termination has rough faces, but displays very w..
$85.00
Amethyst
Item: 7532
L: 16.00mm
W: 16.00mm
H: 10.00mm
Weight: 12.33ct
Trillion with the best Siberian color.  Reddish violet with 12.33 carats, $40/ct ..
$490.00
amethyst
Item: 1503
Locality: Nigeria
L: 1.38in
W: 1.13in
H: 0.25in
Weight: 0.00kg
One of our gemmiest fish, excellent carving that can be mounted in gold or silver as a pendant. ..
$65.00
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: 8403
Locality: Bou Oudi, Tata Province, Morocco
L: 17.00mm
W: 0.00mm
H: 12.30mm
Weight: 20.80ct
Tata Morocco Amethyst is some of the finest Amethyst we have cut, this Asscher cut is Siberian co..
$716.00
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: 7631
Locality: Morelia, Mexico
L: 5.00in
W: 4.00in
H: 2.50in
Weight: 0.00kg
Very good plate of phantom Amethyst crystals, new production from Mexico. ..
$245.00
Amethyst
L: 19.00mm
W: 18.00mm
H: 0.00mm
Weight: 17.70ct
Well cut heart, bright and clean to the eye, minor veils under 10x, 17.70 carats $15/ct ..
$265.00
Amethyst
L: 24.00mm
W: 18.00mm
H: 0.00mm
Weight: 37.18ct
Perfectly cut cushion, 37.18 carats, excellent color, with very faint veil. $25/ct Very rare size..
$930.00
Amethyst
Item: 6538
L: 2.00in
W: 2.00in
H: 2.00in
Weight: 0.00kg
Artigas, Uruguay, Ball of deep purple brilliant amethyst. Flower"" ..
$85.00
Amethyst
L: 15.00mm
W: 9.00mm
H: 7.00mm
Weight: 6.38ct
Meidium reddish purple step cut octagon,  slight color zones along length. Slight inclusion ..
$128.00
Amethyst
Item: 1550
Locality: Jalingo, Nigeria
L: 0.00in
W: 1.25in
H: 0.00in
Weight: 0.00
Striking natural chevron color zoning in rare amethyst from Nigeria. Very fine object of art...
$120.00
Amethyst
L: 13.50mm
W: 11.50mm
H: 0.00mm
Weight: 7.00ct
Siberian color triangle cushion, tiny veil on bottom, not visible to the eye, 7.00 carats 40/ct. ..
$280.00
Amethyst
L: 13.00mm
W: 10.00mm
H: 0.00mm
Weight: 7.29ct
Siberian color octagon, some micro inclusions of liquid, characteristic for Four Peaks, 7.29 cara..
$255.00
Amethyst
L: 15.00mm
W: 13.00mm
H: 0.00mm
Weight: 8.66ct
Step cut octagon (emerald cut) clean to the eye, microscopic two phase inclusions( liquid). ..
$390.00
Amethyst
Item: 9025
L: 40.00mm
W: 21.00mm
H: 15.00mm
Weight: 63.63ct
Flawless elongated cushion, classic step cut top and bottom, 63.26  $5/ct! ..
$315.00
Amethyst
Item: 1953
Locality: Four Peaks, Arizona
L: 12.00mm
W: 19.00mm
H: 14.00mm
Weight: 26.62ct
Our largest "siberian" stone, freeform shape, cherboard crown. Very red for amethyst.  Sli..
$665.00
Amethyst
Item: 4581
L: 11.00mm
W: 0.00mm
H: 0.00mm
Weight: 3.80ct
Four Peaks Mine, Maricopa County, Arizona, USA, Siberian color trillion, clean, 3.80 carats, $40/..
$152.00
Amethyst
Item: 8385
Locality: Bou Oudi, Tata Province, Morocco
L: 16.00mm
W: 14.00mm
H: 0.00mm
Weight: 10.72ct
Finest Siberian color, has micro hematite threads scattered (10x)10.72 carats, $30/ct ..
$321.00
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: 7967
Locality: Brandberg Mtn. Namibia
L: 2.50in
W: 2.00in
H: 1.50in
Weight: 0.00ct
Two tabular gemmy deep purple Amethyst crystals in row at top of vein quartz. ..
$45.00
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: 7577
Locality: Jalingo, Nigeria
L: 20.00mm
W: 17.00mm
H: 13.50mm
Weight: 24.39ct
Oval with deep Siberian color, from Jalingo, Nigeria, a rare locality.  These Amethyst have ..
$853.00
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.  ..
$115.00
Amethyst
Item: 8406
Locality: Bou Oudi, Tata Province, Morocco
L: 14.00mm
W: 0.00mm
H: 9.00mm
Weight: 0.00ct
Very fine Moroccan Amethyst, matched pair for earrings.  Siberian color, excellent Portugues..
$640.00
Amethyst
Item: 9530
Locality: Artigas, Uruguay
L: 2.50in
W: 2.00in
H: 2.00in
Weight: 6.00oz
Group of showy Amethyst crystals on Agate matrix. ..
$60.00
Amethyst
Item: 7520
Locality: Bahia, Brazil
L: 28.00mm
W: 24.00mm
H: 0.00mm
Weight: 58.91ct
Well cut oval, flawless. 58.91 carats, $30/ct 28x24 mm ..
$1,767.00
Amethyst
Item: 8351
Locality: Namibia
L: 17.00mm
W: 0.00mm
H: 0.00mm
Weight: 16.20ct
Bright cushion with the best Siberian color, some hematite inclusions (prove natural origin).&nbs..
$518.00
Amethyst
L: 4.00in
W: 3.00in
H: 2.00in
Weight: 0.00ct
Deep purple crystals on calcite matrix. Unusual to find them in matrix in Maquar. ..
$185.00
Amethyst
Item: 6905
L: 14.00mm
W: 11.00mm
H: 0.00mm
Weight: 11.88ct
Fine flawless cushion cut Amethyst from classic locality. 11.88ct $40/ct 14x11mm ..
$474.00
Amethyst
Item: 1212
L: 5.00in
W: 4.00in
H: 3.50in
Weight: 0.00kg
Bahia, Brazil, Very rare specimen of amethyst from Brejinha, a famous gem amethyst locality in Ba..
$475.00
Amethyst
L: 16.00mm
W: 13.00mm
H: 10.00mm
Weight: 14.01ct
Flawless step cut octagon with medium reddish purple color.  Bright gem. 14.01 carats $35/ct..
$490.00
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 spe..
$300.00
Amethyst
Item: 7568
Locality: Bou Oudi, Tata Province, Morocco
L: 18.00mm
W: 14.50mm
H: 0.00mm
Weight: 18.16ct
From Morocco, a dazzling hexagon, step cut, with Siberian color.  Very high crystal value.&n..
$635.00
Amethyst
Item: 4643
Locality: Gobobodos, Namibia
L: 2.00in
W: 1.25in
H: 0.00in
Weight: 0.00
Single gemmy amethyst crystal on matrix. Rare for the Brandberg area to have matrix specimens. very ..
$85.00
Amethyst
Item: 4085
L: 20.00mm
W: 16.00mm
H: 0.00mm
Weight: 22.81ct
Bahia, Brazil, Custom cut octagon of flawless amethyst, perfect in all ways. 22.81 carats 30/ct ..
$685.00
Amethyst
L: 11.00mm
W: 8.50mm
H: 0.00mm
Weight: 3.15ct
Super red violet (Siberian color) octagon, clean except for one barely visible inclusion in corne..
$126.00
Amethyst
Item: 8011
Locality: Xobodobos, Gobobseb Mtns., Namibia
L: 14.00mm
W: 0.00mm
H: 0.00mm
Weight: 9.15ct
Very bright trillion with medium purple color, clean to the eye but under 10x there are microscop..
$320.00
Amethyst
Item: 6736
Locality: Xobodobos, Namibia
L: 5.00in
W: 3.25in
H: 0.00in
Weight: 0.00
Pocket of gemmy, deep purple elongated Amethyst crystals...
$185.00
Amethyst
Item: 4588
L: 22.00mm
W: 15.00mm
H: 0.00mm
Weight: 20.29ct
Four Peaks Mine, Maricopa County, Arizona, 20.29ct cushion, very bright with some red flashes, sl..
$406.00
Amethyst
Item: 7621
Locality: Bou Oudi, Tata Province, Morocco
L: 1.80in
W: 1.25in
H: 1.00in
Weight: 0.00kg
Very rare cluster of amethyst crystals from Tata, Bou Oudi, Morocco. ..
$95.00
Colorado Gem & Mineral Company © 2018