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

Minas Gerais, Brazil

Display: List / Grid
Show:
Sort By:
Apatite
Item: 8371
Locality: Minas Gerais, Brazil
L: 20.00mm
W: 13.00mm
H: 0.00mm
Weight: 10.27ct
Emerald green Apatite, lilypad inclusions, rare gem. 10.27 carats $25/ct ..
$256.00
Apatite
Item: 8333
Locality: Minas Gerais, Brazil
L: 10.00mm
W: 8.00mm
H: 0.00mm
Weight: 2.10ct
Nice green drop shape, excellent cutting this color is rare in Apatite.  Clean to the eye.&n..
$94.50
Aquamarine
Item: 7555
Locality: Minas Gerais, Brazil
L: 12.00mm
W: 10.00mm
H: 0.00mm
Weight: 5.35ct
Sparkling step cut cushion Aquamarine, minor veils under 10x, 5.35 carats, $60/ct ..
$321.00
Beryl, var. Aquamarine
Item: 7963
Locality: Minas Gerais, Brazil
L: 2.00in
W: 0.50in
H: 0.50in
Weight: 0.00g
Terminated Aquamarine with tubular inclusions.  ..
$105.00
Beryl, var. Aquamarine
Item: 5267
Locality: Minas Gerais, Brazil
L: 2.50in
W: 1.50in
H: 1.00in
Weight: 0.00
Extremely well-formed crystal of greenish blue aquamarine with interesting termination, modified pyr..
$275.00
Beryl, var. Heliodor
Item: 3616
Locality: Minas Gerais, Brazil
L: 1.75in
W: 2.00in
H: 1.00in
Weight: 0.00
Doubly-terminated gemmy golden beryl with reverse scepter on one end. Attached to Albite feldspar. ..
$275.00
Blue Topaz
Item: 8322
Locality: Minas Gerais, Brazil
L: 18.00mm
W: 13.00mm
H: 9.50mm
Weight: 20.80ct
Flawless octagon with London blue color.   20.80 carats  $25/ct ..
$520.00
Chrysoberyl
Item: 7111
Locality: Minas Gerais, Brazil
L: 2.75in
W: 1.25in
H: 1.25in
Weight: 0.00
Tabular yellow-=green Chrysoberyl V-twin on quartz. Rare to find on matrix. Chrysoberyl is the third..
$135.00
Columbite
Item: 7026
Locality: Minas Gerais, Brazil
L: 2.00in
W: 1.75in
H: 0.75in
Weight: 0.00
Two terminated Columbite crystals intersecting, classic rare earth mineral found in pegmatites. Col..
$155.00
Crocodile Quartz
Item: 2587
Locality: Minas Gerais, Brazil
L: 9.00in
W: 5.00in
H: 2.00in
Weight: 0.00kg
Dramatic plate of parallel growth smoky quartz. Excellent example of crocodile quartz, or "jacare..
$185.00
Elbaite Tourmaline on Quartz
Item: 1012
Locality: Minas Gerais, Brazil
L: 5.00in
W: 3.50in
H: 2.00in
Weight: 0.00ct
Remarkable specimen of a green Tourmaline crystal (terminated) on brecciated  (broken) Quart..
$375.00
Petalite
Item: 1942
Locality: Minas Gerais, Brazil
L: 9.00mm
W: 7.00mm
H: 0.00mm
Weight: 2.09ct
A rare lithium aluminum silicate, flawless octagon 25/ct 9x7mm ..
$52.00
Petalite
Item: 2096
Locality: Minas Gerais, Brazil
L: 12.00mm
W: 0.00mm
H: 0.00mm
Weight: 5.32ct
Nice round, some veils, but nice stone $25/ct A rare pegmatite mineral. 12mm ..
$130.00
Phantom Quartz
Item: 5517
Locality: Minas Gerais, Brazil
L: 4.00in
W: 2.50in
H: 2.00in
Weight: 0.00
Brilliant single crystal with unusual shape and hopper faces. A stunning specimen...
$125.00
Quartz
Item: 2656
Locality: Minas Gerais, Brazil
L: 3.00in
W: 2.50in
H: 2.00in
Weight: 0.00
Very fine cluster of quartz from Diamantina...
$55.00
Quartz with Microcline
Item: 2722
Locality: Minas Gerais, Brazil
L: 10.00in
W: 6.00in
H: 5.00in
Weight: 0.00
Beautiful group of transparent quartz with intergrowth of microcline at base. Excellent pegmatite s..
$245.00
Quartz with Muscovite
Item: 7989
Locality: Minas Gerais, Brazil
L: 13.00in
W: 11.00in
H: 9.00in
Weight: 26.00lb
Very large Quartz crystal and smaller ones on golden muscovite.  Dramatic decor specimen.&nb..
$575.00
Quartz with Tourmaline
Item: 8336
Locality: Minas Gerais, Brazil
L: 19.00mm
W: 0.00mm
H: 10.40mm
Weight: 18.47ct
Optical illusion created by cutting a select round gem Qiartz with a single black Tourmaline cent..
$225.00
Rubellite (red Tourmaline)
Item: 8335
Locality: Minas Gerais, Brazil
L: 10.00mm
W: 8.00mm
H: 0.00mm
Weight: 1.64ct
Fancy cut bright Rubellite with violet red color. 1.64 carats $80/ct ..
$131.00
Scepter
Item: 32051
Locality: Minas Gerais, Brazil
L: 2.50in
W: 1.50in
H: 1.50in
Weight: 0.00
Brilliant scepter with some albite and muscovite..
$60.00
Smoky Quartz
Item: 32104
Locality: Minas Gerais, Brazil
L: 5.00in
W: 5.00in
H: 2.00in
Weight: 0.00
Tabular see through smoky quartz with interesting hopper faces, dramatic 2 lbs for shipping...
$65.00
Smoky Quartz
Item: 2540
Locality: Minas Gerais, Brazil
L: 3.00in
W: 2.00in
H: 1.50in
Weight: 0.00
Parallel formation of brilliant crystals from pegmatite, scuptural..
$45.00
Smoky Quartz
Item: 2738
Locality: Minas Gerais, Brazil
L: 3.00in
W: 3.00in
H: 3.00in
Weight: 0.00
Very rare formation that we have to call the zigzag. Actually a scepter...
$105.00
Smoky Quartz
Item: 2621
Locality: Minas Gerais, Brazil
L: 6.00in
W: 5.00in
H: 3.00in
Weight: 0.00kg
Parallel deep brilliant smoky quartz on colorless quartz, very aesthetic, some very tiny dings on..
$265.00
Smoky Quartz on Quartz
Item: 6893
Locality: Minas Gerais, Brazil
L: 6.50in
W: 5.00in
H: 3.00in
Weight: 0.00
Three brilliant doubly terminated Smoky Quartz in parallel formation on colorless quartz, very fine ..
$395.00
Smoky Quartz Scepter
Item: 4978
Locality: Minas Gerais, Brazil
L: 7.50in
W: 2.00in
H: 1.00in
Weight: 0.00
Doubly terminated elongated crocodile quartz, nearly a floater. Excellent crystal. Curved, very unus..
$175.00
Smoky Quartz Scepter
Item: 2627
Locality: Minas Gerais, Brazil
L: 3.75in
W: 2.00in
H: 1.50in
Weight: 0.00
Brilliant offset scepter. Very aesthetic specimen...
$55.00
Smoky Quartz Scepter, var. Crocodile Quartz
Item: dd13
Locality: Minas Gerais, Brazil
L: 7.60in
W: 3.50in
H: 3.30in
Weight: 0.00ct
Museum caliber specimen of Smoky Quartz from a pegmatite, showing "crocodile growth" on all sides..
$2,750.00
Tourmaline
Item: 1419
Locality: Minas Gerais, Brazil
L: 21.00mm
W: 8.00mm
H: 0.00mm
Weight: 9.14ct
Very fine green Octagon, 100/ct. 21x8mm ..
$914.00
Tourmaline
Item: 8331
Locality: Minas Gerais, Brazil
L: 12.10mm
W: 7.20mm
H: 0.00mm
Weight: 4.09ct
Flawless electric green blue Tourmaline, step cut octagon 4.09 carats $120/ct ..
$490.00
Tourmaline
Item: 1403
Locality: Minas Gerais, Brazil
L: 7.00mm
W: 0.00mm
H: 0.00mm
Weight: 2.16ct
Nice green square octagon, $55/ct. 7mm ..
$119.00
Tourmaline
Item: 6979
Locality: Minas Gerais, Brazil
L: 9.00mm
W: 7.00mm
H: 0.00mm
Weight: 2.80ct
Bright green emerald cut Tourmaline, flawless. 2.80 carats  $70/ct ..
$196.00
Tourmaline
Item: 8343
Locality: Minas Gerais, Brazil
L: 8.00mm
W: 6.00mm
H: 4.20mm
Weight: 0.00ct
Bright step cut octagon, the color of Paraiba Tourmaline without the extra zeros in the price per..
$302.00
Tourmaline
Item: 3333
Locality: Minas Gerais, Brazil
L: 38.00mm
W: 39.00mm
H: 5.10mm
Weight: 77.50ct
Watermelon Tourmaline slice, unusual color zoning, 77.50 carats  ..
$504.00
Tourmaline
Item: 8017
Locality: Minas Gerais, Brazil
L: 12.00mm
W: 8.00mm
H: 7.00mm
Weight: 5.92ct
Blue to Green bicolor Tourmaline, flawless octagon 5.92 carats $85/ct ..
$503.00
Tourmaline
Item: 8034
Locality: Minas Gerais, Brazil
L: 16.60mm
W: 11.00mm
H: 6.20mm
Weight: 9.49ct
Flawless cushion with fine blue green color, flower cut.  9.49 carats $150/ct ..
$1,423.00
Tourmaline
Item: 8326
Locality: Minas Gerais, Brazil
L: 14.90mm
W: 8.00mm
H: 6.00mm
Weight: 7.23ct
Very fine electric green step cut octagon, flawless. 7.23 carats $110/ct ..
$795.00
Tourmaline Scepter, var Elbaite
Item: 7823
Locality: Minas Gerais, Brazil
L: 1.45in
W: 0.60in
H: 0.40in
Weight: 0.00ct
A very rare Scepter Tourmaline. Gemmy pink with golden head. ..
$225.00
Tourmaline var. Elbaite epitaxial with Quartz Crystal
Item: 6707
Locality: Minas Gerais, Brazil
L: 6.00in
W: 3.00in
H: 3.00in
Weight: 0.00kg
Greenish blue bicolored Tourmaline, terminated with pinacoid, with large Quartz crystal growing s..
$395.00
Tourmaline, Indicolite
Item: 6453
Locality: Minas Gerais, Brazil
L: 9.00mm
W: 8.00mm
H: 0.00mm
Weight: 4.28ct
Electric greenish blue octagon, flawless step cut.  4.28 carats $145/ct ..
$620.00
Tourmaline, var. Elbaite
Item: 2834
Locality: Minas Gerais, Brazil
L: 1.75in
W: 1.00in
H: 0.75in
Weight: 0.00
Cat's eye type tourmaline crystal, unusual form, terminated showing chatoyancy. white with slight ti..
$155.00
Tourmaline, var. Elbaite
Item: 2762
Locality: Minas Gerais, Brazil
L: 2.50in
W: 2.00in
H: 2.50in
Weight: 0.00
Watermelon tourmaline crystal on quartz crystal, very nice specimen...
$245.00
Colorado Gem & Mineral Company © 2017