erythrite

Arsenic Family Minerals: Part II — Erythrite, Realgar, Orpiment and Scorodite

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The Dome of Topaz Mountain

Topaz Mountain Rockhounding Adventure

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Fractures to be sealed

Bench Tips: Fractures, Cracks and Crazing

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Periodic Table of Natural Elements

On The Rocks: Natural Elements

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Merritt's Rock Museum

A Small-Town Gem: Merritt’s Rock Museum

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Just Off the Wheels: Julie Poe

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Specimen with secondary coating of druze quartz

Manakarra Grape Agate: New Botryoidal Material

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Artisan Alley: Sharing Natural Wonders

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Grinding the rays on a cabochon

Bench Tips: Working Cabs from the Back (Part II)

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Front of a cab

Bench Tips: Working Cabs from the Back (Part III)

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