Mineral Specimen and Product Inventory Search

Availability

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Locality

Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States

Formula

Na(Al_1.5Li_1.5)Al₆(BO₃)₃Si₆O₁₈(OH)₄

Size

9 x 4 x 5.5 cm - Sm Cabinet

Tagged

pegmatite mineral

Large dark red tourmaline crystal which multiple fractures rehealed with Quartz or Albite. Really neat specimen.

Collected in 1945 by Arnold Hampson. Read Hampson's bio here.

Availability

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Locality

Sara Alicia mine, San Bernardo, Sonora, Mexico

Formula

Co₃(AsO₄)₂·8H₂O

Size

4.5 x 4.5 x 2 cm - Miniature

Tagged

arsenate

Magenta, slender crystals to 1mm.

Availability

Available

Price

$20.00

Featured

Featured in Special Editions

Locality

Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy

Formula

KNaCu₃O(SO₄)₃

Size

0.3 x 0.3 x 0.3 cm - Thumbnail

Tagged

copper

Special Info

Type Locality

Green pulverulent crusts in capsule. Type Locality.

Availability

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Locality

Los Bordos mine, Elisa de Bordos, Copiapo, Atacama, Chile

Formula

Ag₁₁Hg₂

Size

8 x 3 x 5.5 cm - Sm Cabinet

Tagged

silver

Large flexible, thin plates of tarnished Eugenite. The exterior is a dull grey, but the subsurface is goldish to shiny grey-gold. Eugenite is a rare almalgam with Gold. The large plate at the center is 2cm across. Excellent specimen.