R530 - Prehnite

Merelani Hills, Arusha, Tanzania

$350

R541 - Enargite with Pyrite

Leonard Mine, Butte, Silver Bow Co., Montana, USA

$125 $63

R549 - Hematite on Gaudefroyite

N'Chwanning Mine, Kuruman, South Africa

$150 $75

R564 - Smithsonite

Berg Aukus Mine, Grootfontein, Namibia

$3,500

R569 - Dravite

Mwajanga, near Komolo, Tanzania

$1,500

R583 - Brucite 'lips'

Killa Saifullah, Balochistan, Pakistan

$250

R587 - Red Beryl

Violet Claim, Wah Wah Mtns., Beaver Co., Utah, USA

$400

R603 - Prehnite

Merelani Hills, Arusha, Tanzania

$2,800

R616 - Prehnite ps. Calcite

Merelani Hills, Arusha, Tanzania

$450

R620 - Prehnite

Merelani Hills, Arusha, Tanzania

$750

R622 - Dioptase on Quartz

Sanda Mine, Mindouli District, Pool Department, Rep. of Congo

$225

R644 - Anglesite

Touissite, Morocco

$450

R658 - Spessartine

Pakistan

$3,500

R662 - Willemite

Berg Aukas Mine, Grootfontein, Namibia

$2,250

R669 - Crocoite

Red Lead Mine, Zeehan mining district, Tasmania, Australia

$1,800

R670 - Lawsonite

Mendocino County, California, USA

$2,250

R679 - Smokey Quartz

Anderson's Gully, Moorella, Victoria, Australia

$250

R684 - Azurite on Malachite

Tsumeb, Namibia

$240

R685 - Mimetite

Tsumeb, Namibia

$145

R696 - Axinite on Albite

Thompson Peak, Plumas Co., California, USA

$60 $30

R712 - Euclase

Itacambira, Minas Gerais, Brazil

$1,500

R716 - Mimetite after Cerussite

Tsumeb, Namibia

$3,500

R744 - Anglesite

Touissit, Morocco

$2,500

R745 - Covellite

Summitville, Colorado, USA

$375

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