Brian Kosnar Mineral Classics
Ship from USA · 710 items · On Agora since 2026
Showing 581–600 of 710 items
rutile (superb gemmy{!} reticulated "floater" twinned crystal group)
titanite (sphene)
chrysoberyl (var: alexandrite) (color-changing twin)
sodalite var: hackmanite outstanding world-class incredibly large rare orange color fluorescent/tenebrescent
afghanite
amblygonite
ametrine (natural bi-color quartz)
bi-color amethyst / quartz
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