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Showing 161–163 of 163 results
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Minerals
Staurolite Twin — Fairy Stone — Display Piece
Mohs hardness: 7–7.5$47.58 -
Geological Specimens
Obsidian — Mahogany Flow — Field Specimen
Mohs hardness: 5–5.5$69.67 -
Minerals
Rubellite Tourmaline Crystal — Display Piece
Mohs hardness: 7–7.5$1,753.50