Topaz – 636 carat Transparent Crystal from Minas Gerais

$158.00

1 in stock

Description

This topaz crystal is from Minas Gerais, Brazil. Minas Gerais has many areas that contain pegmatite deposits which are mined for various gemstones including topaz. It s a silicate that contains the elementsĀ  Al, Si, F, O andĀ  H. Pure crystals are colorless but it can be found in a variety of colors depending on the trace elements incorporated in the crystal lattice. This is colorless crystal with a glass luster and lightly etched prism surfaces. The termination is pinacoid and slightly hoppered. The exterior contains minor clay and oxide deposits. The interior is transparent with areas of light veiling. The crystal measures approximately 2 5/8- x 1 5/8 x 3/4 inches or 66 x 41 x 19 mm.

Additional information

Weight9 oz

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