Brand
mineral classics
Ship from USA · 710 items
Showing 1–20 of 710 items
Brian Kosnar Mineral Classics
petrified wood with banded agate (incredibly rare color)
copal / young amber with insect inclusions
microcline (var: amazonite) with albite (var: cleavelandite)
microcline (var: amazonite)
copper (leaf-like specimen)
childrenite on quartz
bournonite on pyrite (excellent “cogwheel”)
wavellite with pyrrhotite
wavellite with quartz
ferberite with marcasite and arsenopyrite
augelite
valentinite
vivianite with childrenite and paravauxite
vivianite
cassiterite (“drillbit” twins)
cassiterite
andorite on zinkenite
magnetite
sphalerite (rare locality specimen)
boracite (rare color)
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