Showing 61–80 of 83 results
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Muscovite
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Native copper
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Octahedral galena
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Orthoclase after leucite
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Prehnite
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Prehnite
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Pseudohexagonal calcite, pyrite, fluorite, and & baryte
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Purple fluorite
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Purple fluorite
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Purple fluorite and calcite
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Purple fluorite on quartz
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Quartz
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Ruby corundum in zoisite slab
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Ruin marble artwork (brecciated limestone)
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Spinel on marble carving
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Synthetic bismuth
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Tetrahedrite
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Vanadinite
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Variscite
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Vivianite
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