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Ken Hollmann

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Anhydrite, Magnetite, Sphalerite image
Anhydrite, Magnetite, Sphalerite
New York State Museum
Calcite, Pyrite image
Calcite, Pyrite
New York State Museum
Calcite image
Calcite
New York State Museum
Calcite image
Calcite
New York State Museum
Calcite image
Calcite
New York State Museum
Magnetite image
Magnetite
New York State Museum
Pyrite image
Pyrite
New York State Museum
Sphalerite image
Sphalerite
New York State Museum
Sphalerite (Spinel twin) image
Sphalerite (Spinel twin)
New York State Museum
Almandine image
Almandine
Kevin Brown
1

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