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

Minas Gerais, Brazil

Amethyst

- Amethyst

Rare habit of Amethyst, mined in the 1980's.  Unusual formation...

$165.00
Amethyst

- Amethyst

Thin, beautiful plate of bright Amethyst crystals on matrix.   Classic...

$195.00
Amethyst

- Amethyst

Bright Amethyst crystals on colored Agate matrix...

$55.00
Amethyst

- Amethyst

Sharp Amethyst crystals with fantastic color on Agate matrix...

$90.00
Amethyst

- Amethyst

Rare habit of Amethyst mined in the 1980's.  Unusual formation for Amethyst...

$195.00
Amethyst

- Amethyst

Beautiful Amethyst cluster with bright violet color, exhibiting parallel growth.   Classic..

$175.00
Apatite - drop

- Apatite - drop

Nice green drop shape, excellent cutting this color is rare in Apatite.  Clean to the eye. ..

$94.50
Aquamarine

- Aquamarine

Beautiful, stout Aquamarine crystal with sharp prismatic form and interesting transition from transl..

$165.00
Aquamarine

- Aquamarine

Beautiful, well-formed Aquamarine crystal with sharp prismatic shape, pyramidal modifications to ter..

$185.00
Aquamarine ( Beryl )

- Aquamarine ( Beryl )

Terminated, prismatic Aquamarine crystal with clay inclusions and excellent brilliance.   ..

$95.00
Aquamarine ( Beryl )

- Aquamarine ( Beryl )

Unique Aquamarine crystal with gemmy and opaque sections, and a beautiful, etched, flawless "root" p..

$245.00
Aquamarine ( Beryl ) - cushion

- Aquamarine ( Beryl ) - cushion

Sparkling step cut cushion Aquamarine, minor veils under 10x, 5.35 carats, $60/ct..

$321.00
Aquamarine , Etched ( Beryl )

- Aquamarine , Etched ( Beryl )

Brilliant, etched, Aquamarine with dramatic hollowed structure.   One of a kind. Click ..

$225.00
Beryl

- Beryl

Unusual Beryl group with aesthetic composition.   DW..

$135.00
Beryl

- Beryl

Gemmy, pastel-yellow Beryl crystal with interesting geometry.   DW..

$55.00
Beryl

- Beryl

Prismatic Beryl crystal with beautiful geometry.   DW..

$45.00
Beryl

- Beryl

Prismatic yellow Beryl crystal with small sidecar crystal.   DW..

$35.00
Beryl

- Beryl

Prismatic, pastel-yellow Beryl crystal with classic form.   DW..

$60.00
Beryl

- Beryl

Prismatic, pastel-yellow Beryl crystal with beautiful form and velvet luster.   DW..

$95.00
Beryl var. Aquamarine

- Beryl var. Aquamarine

Classic, prismatic crystal of Aquamarine from Minas Gerais, Brazil.   DW..

$110.00
Blue Topaz - octagon

- Blue Topaz - octagon

Flawless octagon with London blue color.   20.80 carats  $25/ct..

$520.00
Cats Eye Tourmaline ( Elbaite )

- Cats Eye Tourmaline ( Elbaite )

Cat's eye type tourmaline crystal, unusual form, terminated showing chatoyancy. white with slight ti..

$165.00
Chrysoberyl in Biotite

- Chrysoberyl in Biotite

Tabular, twinned Chrysobryl crystal with nice, greenish-yellow color, in Muscovite matrix.   ..

$110.00
Columbite / Niobite

- Columbite / Niobite

Well-formed, doubly-terminated Columbite / Niobite crystal, the main source for two of the rare eart..

$185.00
Columbite / Niobite

- Columbite / Niobite

Aesthetic pair of terminated Columbite / Niobite crystals.   DW..

$95.00
Elestial Quartz or Crocodile Quartz (Jacare)

- Elestial Quartz or Crocodile Quartz (Jacare)

The "Pineapple,"  a large Smoky Quartz with parallel crystal development on it's exterior. ..

$825.00
Garnet var. Spessartite - cushion

- Garnet var. Spessartite - cushion

Brilliant orange-red Spessartite Garnet cushion. $55/carat...

$225.00
Goethite cast over Barite (?)

- Goethite cast over Barite (?)

Unusual cast of radially-grouped, bladed, metallic Goethite crystals, enclosing a cavity that could ..

$285.00
Goethite cast over Barite (?)

- Goethite cast over Barite (?)

Mushroom like growth of Goethtite bladed crystals that reflect a brilliant copper red color sheen wi..

$285.00
Golden Beryl ( Heliodor ) - oval

- Golden Beryl ( Heliodor ) - oval

Beautiful, Golden Beryl oval with bright yellow color.   Very aesthetic.   Price..

$92.00
Golden Beryl ( Heliodor ) - oval

- Golden Beryl ( Heliodor ) - oval

Bright golden Beryl, with excellent color and brilliance.   Price is $70 / carat.  ..

$291.00
Golden Beryl (Heliodor) - cushion

- Golden Beryl (Heliodor) - cushion

Flawless cushion, well cut, Golden Beryl.  Also called Heliodor.  3.07 carats $90/ct..

$276.00
Heliodor ( Beryl )

- Heliodor ( Beryl )

Curved Heliodor crystal, showing signs of healing under stress.   Good color, and almost c..

$65.00
Morganite - trillion

- Morganite - trillion

Brilliant trillion with pink color, slight two phase inclusions.  Morganite is pink or peach co..

$195.00
Petalite - round

- Petalite - round

Nice round, some veils, but nice stone $25/ct A rare pegmatite mineral. 12mm..

$130.00
Quartz

- Quartz

Dramatic group of icy Quartz crystals...

$95.00
Quartz

- Quartz

Unusual, doubly-terminated Quartz crystal with interesting geology.   DW..

$35.00
Quartz

- Quartz

Large group of parallel, doubly-terminated Quartz crystals, in matrix.   Unusual and aesth..

$175.00
Quartz

- Quartz

Long, icy Quartz crystal emerging from thin plate of twinned Mica and Quartz...

$65.00
Quartz Group

- Quartz Group

Group of large, sharp Quartz crystals...

$65.00
Quartz on Albite

- Quartz on Albite

Long, prismatic Quartz crystal on terminated Albite matrix, aesthetic.   Includes mineral ..

$60.00
Quartz on Albite

- Quartz on Albite

Beautiful, tabular Quartz crystal on terminated Albite Feldspar, aesthetic.   DW..

$55.00
Quartz with Muscovite

- Quartz with Muscovite

Quartz scepter on single Muscovite crystal.   DW..

$45.00
Quartz with Muscovite

- Quartz with Muscovite

Very large Quartz crystal and smaller ones on golden muscovite.  Dramatic decor specimen. ..

$575.00
Rubellite Tourmaline - drop

- Rubellite Tourmaline - drop

Beautiful, vivid red Rubellite with fantastic color.   Faces up clean.   Price i..

$306.00
Rubellite Tourmaline - fancy cut

- Rubellite Tourmaline - fancy cut

Fancy cut bright Rubellite with violet red color. 1.64 carats $100/ct..

$160.00
Rubellite Tourmaline - heart

- Rubellite Tourmaline - heart

Checkerboard cut Tourmaline heart in a bright, pink-peach color. 10.59carats   $60/ct..

$636.00
Rubellite Tourmaline - trillion

- Rubellite Tourmaline - trillion

Beautiful color Rubellite with slight two-phase inclusions. Price is $150/carat...

$345.00
Rutilated Quartz

- Rutilated Quartz

Doubly-terminated Rutillated Quartz with smaller crystal, very aesthetic...

$85.00
Smoky Quartz

- Smoky Quartz

Brilliant gemmy slightly smoky Quartz crystal rising from thin Quartz base.  Unique specimen...

$115.00
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