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

Minerals H - Z


Description for Minerals H - M


Aquamarine , Etched ( Beryl )

a447 - Aquamarine , Etched ( Beryl )

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

$225.00
Azurite / Malachite Pseudomorph

b406 - Azurite / Malachite Pseudomorph

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

$95.00
Garnet var. Spessartite

b691 - Garnet var. Spessartite

Brilliant, well-formed Spessartite Garnets with vivid, tangerine-orange color, on Feldspar matrix.  ..

$245.00
Garnet var. Spessartite on Feldspar

b692 - Garnet var. Spessartite on Feldspar

Brilliant, bright-orange Spessartite Garnets on Feldspar matrix.   Classic gem mineral specimen. ..

$155.00
Helvine and Spessartite Garnet on Orthoclase

a834 - Helvine and Spessartite Garnet on Orthoclase

Pair of well-formed, interlocked Helvine crystals with Spessartite Garnets on Orthoclase matrix. ..

$245.00
Helvine on Orthoclase with Spessartite Garnet and Muscovite

30069 - Helvine on Orthoclase with Spessartite Garnet and Muscovite

Brown Helvines to 1 cm, some twinned on Orthoclase feldspar with some small Spessartites on both...

$385.00
Helvine with Smoky Quartz and Spessartite Garnet

b743 - Helvine with Smoky Quartz and Spessartite Garnet

Well-formed Helvine crystal in partial vug of terminated Smoky Quartz.   One orange Spessa..

$135.00
Helvine with Spessartite and Quartz

3400 - Helvine with Spessartite and Quartz

Exceptional Helvine Specimen. The tabular dark brown crystal has a hole in one face that enters a sm..

$375.00
Helvine with Spessartite Garnet on Feldspar

3844 - Helvine with Spessartite Garnet on Feldspar

Color zoned crystal, very sharp, with small red orange spessartine garnet on thin plate of feldspar,..

$75.00
Helvine with Spessartite on Feldspar

b191 - Helvine with Spessartite on Feldspar

One of the best Helvine specimens from the Wushan mine, with exceptionally large and well-formed cry..

$625.00
Helvine, Loellingite, and Arsenopyrite

b106 - Helvine, Loellingite, and Arsenopyrite

Extremely sharp reddish brown Helvine crystals on Arsenopyrite and Loellingite.  Helvite is a r..

$145.00
Helvine, Spessartite Garnet and Muscovite on Orthoclase

b721 - Helvine, Spessartite Garnet and Muscovite on Orthoclase

Eight brilliant, well-formed Helvine crystals adorning a plate of Orthoclase Feldspar covered in Spe..

$185.00
Hubnerite on Quartz

9868 - Hubnerite on Quartz

Brilliant, sharp Huebnerite crystals aesthetically perched on clear Quartz. Click photo for diff..

$85.00
Hydrozincite

b11 - Hydrozincite

Stalactite group of snow white Hydrozincite, "zinc bloom", a carbonate of Zinc.  Fluoresces pale pur..

$90.00
Inesite, Hubeite and Quartz

9465 - Inesite, Hubeite and Quartz

Very nice specimen of rare minerals with brilliant quartz. The best out of 100 pieces...

$125.00
Kunzite

a810 - Kunzite

Classic shaped, perfect crystal of Kunzite with excellent color. Click photo for additional view..

$525.00
Kunzite

a809 - Kunzite

Doubly-terminated Kunzite crystal with pastel-pink color.   Classic...

$175.00
Kunzite

8690 - Kunzite

Doubly terminated Kunzite with classic shape and good color...

$395.00
Kunzite

9899 - Kunzite

Twinned, doubly terminated, pale-pink Kunzite crystal.   Flawless.  ..

$95.00
Kunzite ( Spodumene )

b3 - Kunzite ( Spodumene )

Stout, well-formed Kunzite crystal with pastel pink color.   posted..

$95.00
Kunzite ( Spodumene )

b71 - Kunzite ( Spodumene )

Gemmy, pastel-pink Spodumene floater crystal with beautiful surface markings, from the Anita Mine in..

$345.00
Kunzite ( Spodumene )

b73 - Kunzite ( Spodumene )

One of a kind Kunzite specimen with a natural hole formed through the crystal.   Interior of hole is..

$145.00
Kunzite ( variety of Spodumene )

a308 - Kunzite ( variety of Spodumene )

Brilliant, glassy Kunzite crystal with etched surfaces...

$65.00
Kunzite ( variety of Spodumene )

a238 - Kunzite ( variety of Spodumene )

Tabular double crystal of Spodumene with good color and classic form.   Very aesthetic...

$165.00
Lapis Lazuli

6716 - Lapis Lazuli

Carved Lapis sculpture with vivid blue color and good polish.   Lapis is a mixture of 3 mi..

$70.00
Lapis Lazuli

6634 - Lapis Lazuli

166 gram polished sculpture of Lapis Lazuli. 3x2x1.5 inches..

$65.00
Lapis Lazuli

6719 - Lapis Lazuli

175 gram polished Lapis sculpture, showing pyrite richy bands. Lapis is a mixture of 3 minerals, La..

$70.00
Limonite

b139 - Limonite

Iridescent Limonite with hole through the middle.   posted..

$45.00
Limonite ( Iridescent )

b141 - Limonite ( Iridescent )

Beautiful, botryoidal Limonite with bright, iridescent color.   posted..

$45.00
Magnetite with Quartz

7908 - Magnetite with Quartz

Magnetite crystals with unusual velvet appearance. Strongly magnetic. Sharp crystal form, with smal ..

$110.00
Magnetite with Quartz

9437 - Magnetite with Quartz

Beautiful Magnetite "rosette", aesthetically positioned amongst well-formed Quartz crystals.   Rare...

$275.00
Malachite

b603 - Malachite

Thick, polished Malachite with contrasting light and dark colors.   DW..

$40.00
Malachite

a394 - Malachite

Polished Malachite nodule with beautiful contrasting patterns. Click photo for additional view...

$35.00
Malachite

a401 - Malachite

Polished Malachite nodule with a pattern resembling a scarab...

$35.00
Malachite

a392 - Malachite

Polished nodule of Malachite with contrasting color...

$35.00
Malachite

a391 - Malachite

Beautiful polished Malachite nodule...

$35.00
Malachite

8963 - Malachite

Fibrous Malachite with excellent brilliance and aesthetic, natural composition.   posted..

$35.00
Malachite

30671 - Malachite

Botryoidal Malachite with velvet luster.   posted..

$55.00
Malachite

9717 - Malachite

Druzy Malachite formation from the Congo...

$45.00
Malachite - Polished

b606 - Malachite - Polished

Beautiful polished Malachite with great color and banding.   DW..

$35.00
Malachite - Polished

b605 - Malachite - Polished

Polished Malachite with beautiful, forest-green color.   DW..

$30.00
Malachite - Polished

b607 - Malachite - Polished

Polished Malachite from the Congo.   DW..

$25.00
Malachite Pseudomorph, after Selenite

9732 - Malachite Pseudomorph, after Selenite

Rare pseudomorph of Malachite after Selenite (Gypsum). Excellent specimen...

$65.00
Microcline Feldspar

a359 - Microcline Feldspar

Aesthetic group of architectural Microcline Feldspar crystals...

$65.00
Mimetite

b564 - Mimetite

Sharp, neon-orange Mimetite crystals with excellent form and color.   Classic.   DW..

$185.00
Molybdenite

b635 - Molybdenite

Brilliant crystal of Molybdenite with great color and crystallization.   DW..

$45.00
Molybdenite and Quartz

b521 - Molybdenite and Quartz

Brilliant Molybdenite with attached Quartz.     DW..

$95.00
Native Silver

6133 - Native Silver

Black Slate with Fine wire silver, rare locality...

$55.00
Orthoclase ( Feldspar ) with Quartz, Beryl and Goethite

9612 - Orthoclase ( Feldspar ) with Quartz, Beryl and Goethite

Elongated, twinned Orthoclase crystals with tapered, doubly-terminated Quartz crystals. Small Aquama..

$125.00
Peridot ( Forsterite / Olivine )

9555 - Peridot ( Forsterite / Olivine )

Peridot in matrix, from the San Carlos Apache Reservation in Arizona.   Classic.   DW..

$35.00
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