Brian Kosnar Mineral Classics
Ship from USA · 710 items · On Agora since 2026
Showing 461–480 of 710 items
spinel on matrix
spinel (3 twins!) on matrix
spinel (ruby spinel) ("floater")
spinel ("floater")
spinel
spinel (ruby spinel) ("floater" twin)
rhodochrosite on gypsum (var: selenite)
halite
bertrandite
fluorite
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