Smaragdite

An emerald green Actinolite. The colour is due to small amounts of chromium.

Mineralogically it is not related to emerald. An emerald imitation from fused masses is also called Smaragdite.
General Information
A variety or type of:Actinolite
Physical Properties of Smaragdite
Mohs Hardness5.5
Walter Schumann, Gemstones of the world (2001)
Specific Gravity3.24 to 3.50
Walter Schumann, Gemstones of the world (2001)
Colour
Colour (General)Grass to emerald green.
Walter Schumann, Gemstones of the world (2001)
TransparencyTransparent,Translucent
Walter Schumann, Gemstones of the world (2001)
Further Information
Mineral information:Smaragdite information at mindat.org
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