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

Rio Grande do Sul, Brazil

Agate / Carnelian ( Quartz ) Geode

- Agate / Carnelian ( Quartz ) Geode

Outstanding Quartz geode with polished Agate / Carnelian edge, druzy interior and natural, raw exter..

$205.00
Amethyst

- Amethyst

Super large brilliant Amethyst crystal with deep color, unusual. very slight tip bruise.click on pic..

$105.00
Amethyst Cluster

- Amethyst Cluster

Cluster of brilliant Amethyst including the largest crystal of Amethyst we have ever had from Rio Gr..

$325.00
Amethyst Crystal

- Amethyst Crystal

Contact twined Amethyst crystal with sharp crystal form, very brilliant. ..

$30.00
Amethyst with Cacoxenite

- Amethyst with Cacoxenite

Aesthetic specimen of bright purple Amethyst crystals with Cocoxenite inclusions.     D..

$65.00
Citrine - octagon

- Citrine - octagon

Deep orange Citrine, flawless stepcut octagon,  November birthstone. 14.05 carats $28/ct..

$390.00
Citrine - oval

- Citrine - oval

Checkerboard oval Citrine.   Birthstone for November...

$30.00
Quartz

- Quartz

Rare, cavernous Quartz geode with fine druzy interior and unusual crystallized exterior.   ..

$75.00
Quartz / Agate Geode

- Quartz / Agate Geode

Beautiful Quartz geode with interesting interior containing both druzy and well-formed crystals, and..

$65.00
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