All About the Properties and Location of Hiddenite

The hiddenite mineral gem is perfectly transparent, varies from a pale yellowish- to a deep emerald-green, and is primarily composed of silica and alumina.

HIDDENITE.

The hiddenite is a variety of spodumene that has only been found in one locality, namely Alexander County, North Carolina. This mineral was discovered by W. E. Hidden, and has been named after him.

The hiddenite is perfectly transparent, and varies from a pale yellowish- to a deep emerald-green, being very brilliant, and approaching the emerald in color. As this stone is rarely found large enough for cutting into gems, it is highly prized and good specimens command a large price.

The hardness of the hiddenite is 6.5 to 7, and specific gravity 3.13 to 3.19; before the blow-pipe it melts to a clear glass, and it is attacked by salts of phosphorus. It is composed of:

Silica 64.35

Alumina 26.58

Lithia 7.05

with traces of iron and soda.


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