Brian Kosnar Mineral Classics
Ship from USA · 710 items · On Agora since 2026
Showing 481–500 of 710 items
paratacamite with malachite
fluorapatite
copper "skull"
fluorite
petalite
spinel (ruby spinel) twin on matrix
calcite
fluorapatite on albite
kolwezite with cobaltoan calcite
vanadinite
calcite (variety: manganoan)
vivianite (doubly terminated)
vivianite
vivianite (doubly terminated) on matrix
vivianite on matrix
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