Mixed Minerals from Tucson

Mixed Minerals from Tucson
March 23, 2026 · 15 specimens

R865 - Rose Quartz $4,500 available

Sapucaia Mine, Galileia, Minas Gerais, Brazil
Small Cabinet - 7.5 x 6 x 5.5 cm

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Stout, single light smokey/citrine Quartz crystal adorned with bright pink Rose Quartz. Fine example with beautiful color contrast.

R866 - Euclase on Quartz $4,500 available

Alto Equador, Rio Grande do Norte, Brazil
Thumbnail - 2.7 x 1.5 x 1.5 cm

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Single transparent Quartz crystal adorned with Euclase crystals. The Euclase have the typical central blue stripe characteristic for this locality. Undamaged. A highly aesthetic and uncommon thumbnail.

R867 - Euclase with Quartz $2,500 available

Alto Equador, Rio Grande do Norte, Brazil
Thumbnail - 1.8 x 1.8 x 1.5 cm

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Single Euclase crystal with small Quartz crystals attached to the back. The Euclase has the typical central blue zone characteristic for this locality. Undamaged crystal that gets very transparent at the top. A highly aesthetic and uncommon thumbnail.

R868 - Diopside on Graphite $450 available

Karo Pit, Merelani Hills, Arusha, Tanzania
Miniature - 3.5 x 2.5 x 1.5 cm

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Bright green, gemmy Diopside crystals on platy crystals of Graphite. Likely from the 2007 pocket that produced ikonic specimens of this combination.

R869 - Diopside on Prehnite $1,500 available

Merelani Hills, Arusha, Tanzania
Miniature - 3.7 x 3.2 x 2.5 cm

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Glassy green Diopside crystals on a cluster of blue Prehnite crystals. A floater cluster of Prehnite well crystallized all around beautifully accented by the cluster of Diopside.

R870 - Quartz $1,250 available

Goboboseb Mtns., Namibia
Small Cabinet - 6.2 x 1.8 x 1.3 cm

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Transparent single Quartz crystal with alternating phantoms of Amethyst and Smokey. Top quality undamaged crystal with crisp, sharp edges. There are tiny Hematite inclusions that got really amplified in the photos - in person they are not distracting at all, all you notice is the color, transparency, and clean lines.

R871 - Malachite in Barite on Chrysocolla $120 available

Shangulowe Mine, Kambove District, Lualaba, DR Congo
Small Cabinet - 6.5 x 6.5 x 5 cm

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Malachite included Barite crystals on a matrix coated by blue Chrysocolla. The crystals reach 1.7cm in size. Colorful specimen!

R872 - Pezzottaite on Lepidolite, Amazonite $7,500 available

Sakavalana Mine, Ambatovita, Fianarantsoa Prov., Madagascar
Miniature - 5 x 4 x 3.5 cm

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Highly colorful specimen of raspberry red Pezzottaite crystals on purple Lepidolite and green Amazonite. Beautiful and rare matrix specimen. Old piece from the original finds that I've held in my collection for years. Ex. Mike Keim.

R873 - Hausmannite on Andradite $3,000 available

N'Chwanning Mine, Kuruman, South Africa
Miniature - 4.5 x 4.2 x 3.5 cm

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Shimmering black cluster of Hausmannite, 4cm tall, on red Andradite crystals. Ex. Georg Gebhard, Mike Keim collections.

R874 - Legrandite $6,000 available

Mina Ojuela, Mapimi, Durango, Mexico
Thumbnail - 3 x 2.5 x 1.8 cm

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Cluster of glassy, well terminated golden Legrandite crystals. Choice, isolated crystals. Ex. David & Emily Stoudt, Mike Keim collections.

R875 - Aquamarine $200 available

Erongo Mtns., Namibia
Thumbnail - 3 x 1 x 0.6 cm

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Two side-by-side crystals of Aquamarine. Complete all around, glassy and undamaged with rich blue color.

R876 - Fluorite on Sphalerite sold

Elmwood Mine, Carthage, Tennessee, USA
Thumbnail - 2.5 x 2 x 2 cm

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Translucent cube of purple Fluorite atop red Sphalerite.

R877 - Cuprite $2,750 available

Mashamba West Mine, Katanga, DR Congo
Miniature - 3.2 x 2.1 x 1.8 cm

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Cuprite crystals with Malachite on matrix. The main crystal is 2cm in size. Undamaged. Ex. Mike Keim.

R878 - Sphene $1,800 available

Gamsberg area, Windhoek Rural, Khomas Region, Namibia
Miniature - 4 x 4 x 2 cm

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Cluster of green Sphene crystals from Namibia. The main crystal is doubly-terminated and 4.2cm wide. Ex. Lorraine Sofia collection.

R879 - Duftite included Dioptase $5,000 available

Tsumeb, Namibia
Miniature - 5 x 3 x 2.7 cm

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Dioptase crystals on Calcite from Tsumeb. Both the Dioptase and Calcite have inclusions (and attached) Duftite, which give the Dioptase a distinct appearance. The Dioptase are undamaged and reach 1cm in size. Ex. Carl Acosta, Mike Keim collections.

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