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Corundum (variety ruby)
Mogok, Burma.
7 mm crystal in 3 cm calcite matrix.
Transparent trigonal crystal in calcite matrix. (Author: Ru Smith)

Corundum (variety ruby)
Mogok, Burma.
7 mm crystal in 3 cm calcite matrix.
Transparent trigonal crystal in calcite matrix. (Author: Ru Smith)

Dimensions: 800 x 555
File size: 27.45 kbytes
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