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

Espirito Santo, Brazil

Amethyst

- Amethyst

Beautifully formed, doubly-terminated Amethyst / Quartz with unusual geometry, from Espirito Santo, ..

$145.00
Amethyst

- Amethyst

Beautiful, deep-purple Amethyst crystal with complex growth and aesthetic form. From the personal c..

$225.00
Amethyst

- Amethyst

Beautifully formed, complex crystal of Amethyst and Quartz, crystallized on almost all sides.  ..

$55.00
Amethyst

- Amethyst

Deep-purple Amethyst crystals, formed on a self-healed shard of Quartz.   Very aesthetic. ..

$85.00
Amethyst

- Amethyst

Well-crystallized Amethyst / Quartz with "elestial" growth.   Very aesthetic.   DW..

$40.00
Amethyst - trillion

- Amethyst - trillion

Espirito Santo, Brazil, As far as we know, the largest documented Espirito Santo Amethyst. From a pe..

$1,070.00
Amethyst / Smoky Quartz Scepter

- Amethyst / Smoky Quartz Scepter

Classic Amethyst / Smoky Quartz scepter with great form...

$145.00
Amethyst Scepter

- Amethyst Scepter

Amethyst scepter with complex outcrop of Amethyst / Smoky Quartz atop a core of white Quartz.  ..

$95.00
Amethyst Scepter

- Amethyst Scepter

Parallel crystals of Amethyst / Smoky Quartz, atop white Quartz.   Aesthetic.   DW..

$95.00
Aquamarine ( Beryl )

- Aquamarine ( Beryl )

Mined in the 1960's, this doubly terminated Aquamarine is unusual in that the main crystal shea..

$485.00
Aquamarine ( Beryl )

- Aquamarine ( Beryl )

Aesthetic specimen of well-formed Aquamarine in Feldspar matrix.   Rare.   DW..

$95.00
Aquamarine ( Beryl ) - oval

- Aquamarine ( Beryl ) - oval

Sparkling eye clean Aquamarine, light blue, excellent cut.  4.32ct $90/ct..

$388.00
Aquamarine ( Beryl ) - oval

- Aquamarine ( Beryl ) - oval

Bright oval, eye clean.  Great ring stone. Aquamarine has a hardness of 7.,5 to 8, and has no c..

$173.00
Chrysoberyl Cat's Eye - cabochon

- Chrysoberyl Cat's Eye - cabochon

Well-cut, honey-colored cat's eye Chrysoberyl with strong eye. Phenomenal and rare stone.   ..

$505.00
Quartz

- Quartz

Brilliant Smoky Quartz crystal showing complex, elestial growth on both sides.   DW..

$65.00
Quartz, var. Amethyst Scepter

- Quartz, var. Amethyst Scepter

An incredible Amethyst specimen, purchased by Jack Lowell in 1973, on his first trip to Brazil, from..

$3,650.00
Scapolite

- Scapolite

Doubly-terminated, brilliant Scapolite crystal with light yellow color.   Rare.   DW..

$95.00
Chrysoberyl

- Chrysoberyl

Brilliant, gemmy crystal of Chrysoberyl with excellent form, very aesthetic. This material was re..

$65.00
Chrysoberyl

- Chrysoberyl

Brilliant crystal of Chrysoberyl with excellent form and brilliance.     DW..

$95.00
Chrysoberyl

- Chrysoberyl

Extremely-rare, bipyramidal sixling Chrysoberyl crystal with greenish yellow color.   &nb..

$235.00
Smoky Quartz / Amethyst Scepter

- Smoky Quartz / Amethyst Scepter

Rare, extremely-complex crystal of Smoky Quartz / Amethyst, showing doubly-terminated and scepter gr..

$95.00
Tourmaline ( Elbaite ) with Lepidolite

- Tourmaline ( Elbaite ) with Lepidolite

Beautiful Watermelon Tourmaline crystals on brilliant, crystallized Lepidolite.   Aestheti..

$145.00
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