R150 - Azurite, Chlorargyrite on Malachite

Broken Hill, New South Wales, Australia

$1,800

R152 - Thometzekite on Anglesite

Tsumeb, Namibia

$3,500

R331 - Cuprite with Silver, Copper

Rubtsovskiy Mine, Altaiskiy Krai, Siberia, Russia

$1,500

R337 - Acanthite

Imiter mine, Draa-Tafilalet Region, Morocco

$2,500

R347 - Amethyst with Prehnite, Calcite

Goboboseb Mtns., Erongo Region, Namibia

$3,000

R362 - Franklinite on Calcite

Franklin, Sussex Co., New Jersey, USA

$1,200 $600

R381 - Fluorite gemstone

William Wise Mine, Westmoreland, Cheshire County, New Hampshire, USA

$1,800

R384 - Apatite on Muscovite

Shigar Valley, Skardu, Baltistan, Pakistan

$2,400

R390 - Topaz

Nyet, Braldu Valley, Shigar District, Gilgit-Baltistan, Pakistan

$1,250

R391 - Chalcophyllite

El Teniente Mine, Rancagua, Cachapoal Province, O'Higgins, Chile

$2,000

R402 - Cobaltian Calcite

Mashamba West Mine, Lualaba, DR Congo

$1,800

R404 - Copper with Calcite

Keweenaw Peninsula, Michigan, USA

$3,500

R406 - Andardite var. Melanite

San Benito Co., California, USA

$1,800

R407 - Smithsonite with Willemite

Berg Aukas Mine, Grootfontein, Namibia

$2,800

R420 - Smithsonite on stalactite

Tsumeb, Namibia

$2,500

R422 - Cerussite

Tsumeb, Namibia

$1,500

R428 - Smithsonite stalactite

Tsumeb, Namibia

$2,750

R429 - Adamite

Tsumeb, Namibia

$2,250

R433 - Inesite

Kuruman, South Africa

$1,500

R434 - Pyrite on Quartz casts after Fluorite

Quiruvilca Mine, La Libertad, Peru

$1,800

R435 - Calcite twin

Bor Pit, Dal'negorsk, Russia

$1,500 $750

R440 - Galena (twin) with Dolomite

Picher Field, Tri-State Mining District, USA

$2,000

R456 - Quartz over Calcite

Inglaterra Mine, Santa Eulalia, Chihuahua, Mexico

$1,200

R458 - Herderite

Xanda Mine, Virgem De Lapa, Minas Gerais, Brazil

$1,200

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