C505 - Copper

Keweenaw Peninsula, Michigan, USA

$450

C512 - Quartz var. Herkimer Diamond

Herkimer, New York, USA

$600

C547 - Pyrite after ?

Trepca Mine, Kosovska Mitrovica, Kosovo

$240

C551 - Ferberite with Quartz

Yaogangxian Mine, Hunan, China

$325

C552 - Quartz on Calcite (R)

Herkimer, New York, USA

$175

C560 - Covellite

Annie Vein, Summitville, Colorado, USA

$3,800

C564 - Fluorite with Quartz

Yaogangxian Mine, Hunan, China

$1,200

C572 - Apatite

Panasquiera, Portugal

$500

C634 - Silver

Batopilas, Chihuahua, Mexico

$750

C642 - Brucite

Killa Saifullah, Balochistan, Pakistan

$400

C665 - Shattuckite

L'Etoile, Lumbumbashi, Katanga, Congo (DRC)

$350

C688 - Hausmannite

N'Chwanning II Mine, Kuruman, South Africa

$1,500

C698 - Tourmaline

Paprok, Nuristan, Afghanistan

$1,500

CH107 - Fluorite on Muscovite

Yaogangxian Mine, Hunan, China

$1,500

CT126 - Wulfenite

Los Lamentos, Chihuahua, Mexico

$450

CT346 - Quartz with Calcite

Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA

$150

CT399 - Inderite

Boron, Kern Co., California, USA

$240

CT404 - Natrolite

Chimney Rock Quarry, Somerset Co., New Jersey, USA

$275

CT406 - Vaugnatite

Copper King Mine, Red Mountain, Mendocino Co., California, USA

$200

CT454 - Manganite

Ilfeld, Harz Mountains, Germany

$275

CT465 - Cobaltian Calcite

Mashamba West Mine, Katanga, Congo

$350

CT541 - Neptunite with Joaquinite

Gem Mine, San Benito Co., California, USA

$2,400

CT844 - McGuinnessite

Red Mountain, Mendocino Co., California, USA

$250

CT887 - Lawsonite

Reed Station, Tiburon, Marin Co., California, USA

$300

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