Object ID:
1917.1.117
Collection:
Carr Natural History
Object Name:
Mica Biotite
Dimensions:
H-0.01 W-10.3 L-14.35 cm
Description:
Mica (Biotite) Classification Mineral - Phyllosilicate
Black, brown, dark green pearly, submetallic. Thin plates very elastic, more brittle with alteration, tabular.
Black, brown, dark green pearly, submetallic. Thin plates very elastic, more brittle with alteration, tabular.
Other Name:
Biotite
Chemical Composition:
Hydrous K/Al silicate
Crystal System:
Monoclinic
Specific Gravity:
2.8-3.2
Hardness:
03
Click to Enlarge
Front
Back
Front
Back