Blastite

[Synthetic Mineral]

Photographed by Michael P. Klimetz

[Laboratory Grown Crystals on Marble Matrix]

[NH4NO3]

[A trade name for ammonium nitrate]

POLAND

Photographed by Michael P. Klimetz

[Laboratory Grown Crystals on Marble Matrix]

[NH4NO3]

[A trade name for ammonium nitrate]

POLAND