cluster of grape agate "grapes"

Grape Agate: A Food Look-Alike Mineral

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Specimen of Manakarra grape agate with secondary coating of druze quartz

Manakarra Grape Agate: Colors & Mining

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Salar de Uyuni: Bolivia’s Salt Flats

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bowl of white popcorn rock

Popcorn Rock: Learn How to Grow Aragonite Crystals

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finished agate jewelry pendant

Agate Jewelry: DIY Pendant How-To

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Nevada gem silica triangular shaped cabochon

Gem Silica: How to Cut Nevada Rough

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volcanic glass snowflake obsidian specimen

Volcanic Glass: A Remarkable Mineraloid

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needles blue agate heart shaped cabochon

Needles Blue Agate: Slab & Cab Basics

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hemimorphite

Hemimorphite: A Lapidary Guide

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hemimorphite crystal that has been dyed

Dyed Hemimorphite Crystal: Spotting Fakes

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