MINERAL
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Pair of two-tone lepidolite mica slices, from Brazil; black base
Chryzoprase in matrix of Tanzania on brass stand
Gypsum from France, on black base (920g.)
Golden Obsidian disc in spinning brass stand.
Rhodonite ball, spinning brass stand
Ruby-zoizite polished ball, spinning brass stand
Purple Anhydrite of Madagascar (1.9kg) on black base