United States

Herderite

Green Cloud Mine, Chihuahua Valley, San Diego Co., California, USA

$1,500

Copper on Prehnite

Michigan Mine, Ontonagon County, Michigan, USA

$275

Chrysocolla after Hemimorphite

79 Mine, Hayden, Arizona, USA

$300

Dioptase with Calcite

Christmas Mine, Gila Co., Arizona, USA

$500

Quartz 'Herkimer Diamond'

Herkimer Co., New York, USA

$300

Schorl

Butte, Silver Bow Co., Montana, USA

$80

Cuprite

Kennecott Copper Co. Mine (Chino Mine), Santa Rita, Grant Co., New Mexico, USA

$260

Titanite

Butte, Silver Bow Co., Montana, USA

$50

Sphalerite

Empire State Zinc Mine #4, Balmat, New York, USA

$800

Rutile

Champion Mine, Mono Co., California, USA

$120

Neptunite (twin!)

Benitoite Gem Mine, San Benito Co., California, USA

$350

Wulfenite with Mimetite

Rowley Mine, Maricopa Co., Arizona, USA

$1,200

Epidote with Quartz

Green Monster Mine, Prince of Wales Island, Alaska, USA

$450

Fluorite 'corners'

Elmwood Mine, Carthage, Tennessee, USA

$650

Copper

Ray Mine, Pinal Co., Arizona, USA

$450

Azurite

Bisbee, Coshise Co., Arizona, USA

$400

Woodhousite with Quartz

Champion Mine, Mono Co., California, USA

$150

Kryzhanovskite, Whitmoreite, Pyrite, Ludlamite

Big Chief Mine, Glendale, South Dakota, USA

$25

Tourmaline

Himalaya Mine, Mesa Grande, San Diego Co., California, USA

$2,400

Chambersite

Venice Salt Dome, Louisiana, USA

$1,500

Levyne, Offretite

Beech Creek, Grant County, Oregon, USA

$350

Quartz cast

Mt. Baldwin, Mono Co., California, USA

$350

Scheelite

5th Level, Camp Bird Mine, Ouray Co., Colorado, USA

$900

Showing 169–192 of 335

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