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Tremolite
Is a Calcium Magnesium Silicate Hydroxide with formula:Ca2(Mg, Fe)5Si8O22(OH)2.
Hardness is 5-6.
The name comes from Tremola Valley, in St. Gottardo, Switzerland.
Tremolite belong to the series with Actinolite and Ferro-Actinolite, and when is pure ( like in this case) without Iron, the color is white. In other case when Iron is contained the color will be greenish to dark green.
A fibrous mineral difficult to cut due to the splintery structure.Weakly fluorescent at whort wave.
Size:15.5x15.5x8.4 mm.
Weight: 9.97 ct.
CODE#11097
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