Chalcedony
Chalcedony is a cryptocrystalline form of silica composed of fine intergrowths of quartz and moganite. It includes agates, jaspers, and other colorful varieties.
15 specimens in this category
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Apricot Agate
Hardness: 6.5 - 7
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GemBlack Agate
Hardness: 6.5 - 7
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Bloodstone
Hardness: 6.5 - 7
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Blue Chalcedony
Hardness: 6.5 - 7
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Chrysocolla Chalcedony
Hardness: 6.5 - 7
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Dendritic Agate
Hardness: 6.5 - 7
Fire Agate
Hardness: 6.5 - 7
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Flower Agate
Hardness: 6.5 - 7
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Grape Agate
Hardness: 6.5 - 7
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GemGreen Chalcedony
Hardness: 6.5 - 7
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Montana Moss Agate
Hardness: 6.5 - 7
Moss Agate
Hardness: 6.5 - 7
Pietersite
Hardness: 6.5 - 7
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Snakeskin Agate
Hardness: 6.5 - 7
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Tree Agate
Hardness: 6.5 - 7
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