|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
This is a cluster of natural untreated mica clusters from brazil.They look stunning when set in jewellery.
Weight 31.15 cts app
Szie 29 x 22 x 6 mm app
The mica group of sheet silicate (phyllosilicate) minerals includes several closely related materials having highly perfect basal cleavage. All are monoclinic with a tendency towards pseudo-hexagonal crystals and are similar in chemical composition. The highly perfect cleavage, which is the most prominent characteristic of mica, is explained by the hexagonal sheet-like arrangement of its atoms.
The word "mica" is thought to be derived from the Latin word micare, meaning "to glitter", in reference to the brilliant appearance of this mineral (especially when in small scales).
|Starts||2nd Dec 2016 11:02pm PST|
|Ends||3rd Dec 2016 11:00pm PST|
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