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Geology, Rocks & Minerals

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Ornamental Stones: Satin-Spar, Lazulite, Chlorastrolite Postcard

Ornamental Stones: Satin-Spar, Lazulite, Chlora...

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Hand-dug mine portal in the US West in early 20th century Postcard

Hand-dug mine portal in the US West in early 20...

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Gorge leading into Old Man's Cave Postcard

Gorge leading into Old Man'...
Logan, OH

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Willamette Meteorite, The American Museum of Natural History, New York Postcard

Willamette Meteorite, The American Museum of Na...

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May the Sky of Your Success Ever be Clear and Blue as the Hue of the Turquoise Postcard

May the Sky of Your Success Ever be Clear and B...

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Birthday Souvenir Postcard

Birthday Souvenir

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Crystals: Monoclinic System Postcard

Crystals: Monoclinic System

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Precious Stones: Chrysoberyl Postcard

Precious Stones: Chrysoberyl

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Crystals: Rhombohedral System Postcard

Crystals: Rhombohedral System

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Geologist Taking Notes on Rock Formations and Mineral Deposits Postcard

Geologist Taking Notes on Rock Formations and M...

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Geologist Taking Notes on Rock Formations and Mineral Deposits Postcard

Geologist Taking Notes on Rock Formations and M...

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Gemstones of North Carolina Postcard

Gemstones of North Carolina

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Halemaumau Crater Hawaii National Park Postcard

Halemaumau Crater Hawaii National Park

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PEOPLE FEEDER II Postcard

PEOPLE FEEDER II

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North Carolina Minerals Postcard

North Carolina Minerals
Spruce Pine, NC

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Kelly Mine (Greater Butte Project) Postcard

Kelly Mine (Greater Butte P...
Butte, MT

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