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

Minerals A - G


Minerals A - G Description


Azurite / Malachite

8705 - Azurite / Malachite

Brilliant deep blue Azurite crystals in front of Malachite/limonite breccia with more scattered Azur..

$80.00
Azurite / Malachite

9561 - Azurite / Malachite

Spectacular pocket of brilliant Azurite crystals with several areas of Malachite that accents the de..

$185.00
Azurite / Malachite

9917 - Azurite / Malachite

Group of Azurite crystals, centered on crystallized Malachite base.  ..

$85.00
Azurite / Malachite

9932 - Azurite / Malachite

Beautiful geode of Malachite and Azurite in white matrix, very aesthetic.  Click on picture to see c..

$45.00
Azurite / Malachite

9921 - Azurite / Malachite

Sparkling caverns filled with brilliant, druzy Azurite in white matrix.   Excellent decor piece...

$95.00
Azurite / Malachite Pseudomorph

b406 - Azurite / Malachite Pseudomorph

Brilliant, terminated crystal of Azurite, partially replaced by Malachite, on matrix.   Rare and aes..

$95.00
Azurite / Malachite Pseudomorph

8500 - Azurite / Malachite Pseudomorph

Spray of thick blades of Azurite with a few crystals being replaced by Malachite.  Classic Tsumeb...

$395.00
Azurite and Malachite

a474 - Azurite and Malachite

Deep blue, well-formed Azurite crystals in small vug, with Malachite.   Classic.   posted..

$95.00
Azurite and Malachite

a786 - Azurite and Malachite

Deep-blue Azurite crystals with Malachite, on contrasting white matrix...

$135.00
Azurite and Malachite

a573 - Azurite and Malachite

Brilliant deep-blue Azurite crystal perched on fibrous Malachite.   Very aesthetic...

$125.00
Azurite and Malachite

a250 - Azurite and Malachite

Brilliant, glistening Azurite crystals intergrown with Malachite, very aesthetic...

$80.00
Azurite with Malachite

a935 - Azurite with Malachite

Deep-blue, botryoidal Azurite vug with beautiful, waxy luster.   Some Malachite nestled inside. ..

$130.00
Babingtonite on Quartz

4950 - Babingtonite on Quartz

Sharp Babingtonite perched on quartz with smaller quartz crystals...

$155.00
Barite

8671 - Barite

Transparent honey brown crystals scattered on matrix.  Very rare occurence, from a road cut...

$75.00
Barite

a764 - Barite

Perhaps the only Barite known from the Morro Velho Gold Mine, this is a gemmy, golden color.  It has..

$385.00
Barite

b397 - Barite

Beautiful spray of bladed Barite with excellent, aesthetic form.   DW..

$135.00
Barite

a805 - Barite

Beautiful cluster of bladed Barite crystals.   Aesthetic.   DW..

$95.00
Barite

a804 - Barite

Beautiful spray of brilliant, bladed Barite crystals.   Very aesthetic.   DW..

$145.00
Barite

b251 - Barite

Cluster of well-formed Barite crystals from Colorado.   DW..

$30.00
Barite with Valentinite

b87 - Barite with Valentinite

Well-formed Barite crystals with needle-like Valentinite crystals.   Excellent specimen of a rare An..

$85.00
Baryte with Valentinite

b48 - Baryte with Valentinite

Well-formed Baryte crystal with rod-like crystals of Valentinite ( a rare Antimony oxide ).   ..

$110.00
Beryllonite

a817 - Beryllonite

Well-formed single crystal of Beryllonite, a rare beryllium mineral.   DW..

$255.00
Betafite

a727 - Betafite

Cluster of well-formed Betafites, crystallized on all sides.   Very unusual...

$525.00
Betafite

a635 - Betafite

Aesthetic Betafite crystal on matrix, with Apatite crystals on back side.   Excellent specimen...

$325.00
Betafite

a636 - Betafite

Excellent, well-formed (1/2") Betafite crystal perched on Feldspar matrix.   Back of crystal is brok..

$325.00
Bournonite

b280 - Bournonite

Excellent Bournonite with interlocking crystals.   Well-formed.   DW..

$135.00
Brazilianite

a828 - Brazilianite

Outstanding crystal of Brazilianite, a rare Phosphate found mainly in Brazil...

$110.00
Brazilianite

a820 - Brazilianite

Brilliant cluster of Brazilianite crystals, a rare Phosphate found mainly in Brazil...

$145.00
Brookite in Quartz

9704 - Brookite in Quartz

Flower-like form of Quartz crystals with blades of Brookite penetrating and scattered throughout, ty..

$95.00
Calaverite

b126 - Calaverite

Quartz vein with silver-bronze color Calaverite with micro crystals of Calaverite, Gold Telluride, a..

$425.00
Calaverite (AuTe)

b125 - Calaverite (AuTe)

Quartz rich metamorphic rock with Calaverite, silver-bronze colored crystals.  Click on photo to see..

$350.00
Calcite

8572 - Calcite

Stalactite covered with crystals and pointed at end.  Curving shape, suggestive...

$125.00
Calcite

4288 - Calcite

Unusual stalctite of calcite, very aesthetic. Repeated twinning along length...

$95.00
Calcite

4788 - Calcite

Very interesting and beautiful Calcite stalactite, with crystals radiating in every direction.   One..

$85.00
Calcite

4781 - Calcite

Huge twinned crystal of calcite, very fine specimen. Transparent...

$185.00
Calcite

8571 - Calcite

Calcite stalactite resembling a microphone.   Very unusual habit...

$95.00
Calcite Stalactite

8573 - Calcite Stalactite

Beautiful Calcite stalactite with cluster of well-formed crystals formed atop.   Very aesthetic. ..

$75.00
Calcite var. Cobaltoan

a981 - Calcite var. Cobaltoan

Deep pink Cobaltoan Calcite crystals in aesthetic vug. ..

$75.00
Calcite var. Cobaltoan

a980 - Calcite var. Cobaltoan

Eye-catching vug of neon-pink Cobaltoan Calcite crystals with exceptionally bright color.   Very aes..

$95.00
Calcite with Amethyst on Stand

b38 - Calcite with Amethyst on Stand

One of a kind Calcite specimen with Amethyst growing on all sides, in aesthetic spire-like compostit..

$235.00
Cassiterite

b390 - Cassiterite

Brilliant, twinned Cassiterite crystals on Mica matrix.   Aesthetic.   DW..

$175.00
Cassiterite

9741 - Cassiterite

Brilliant, well-formed Cassiterite crystals, with Quartz crystals on backside.   DW..

$185.00
Cassiterite with Muscovite

7737 - Cassiterite with Muscovite

Two 1.25" crystals attached to larger flat Cassiterites and two Muscovite crystals...

$255.00
Cassiterite with Quartz

a60 - Cassiterite with Quartz

About 20 brilliant sharp translucent crystals of Cassiterite, the principal ore of tin.  Excellent s..

$145.00
Cerussite

9817 - Cerussite

Ridge-like formation of Galena and Barite with Cerussite crystals...

$40.00
Cerussite and Barite on Galena

a302 - Cerussite and Barite on Galena

Well-formed, druzy Cerrusite crystals with feather-like Barite on Galena matrix.   DW..

$45.00
Cerussite on Barite

b481 - Cerussite on Barite

Exceptional cluster of well-formed, brilliant Cerussite crystals on a hill of Barite.   Ve..

$225.00
Cerussite on Barite

a23 - Cerussite on Barite

Large, unusual Cerussite crystal with interesting growth faces all around, on Barite matrix. Clic..

$125.00
Cerussite on Barite with Galena

9777 - Cerussite on Barite with Galena

Group of tan brilliant crystals of Cerussite on bladed Barite with remnant Galena crystals being alt..

$60.00
Cerussite with Barite

b475 - Cerussite with Barite

Beautiful specimen of numerous, sharply formed Cerussite crystals with Barite, on matrix.  &nbs..

$185.00
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