alexandrite
variety of the mineral chrysoberyl
ಉಪವರ್ಗ
chrysoberyl
ಸ್ಮರಣಾರ್ಥ
Alexander II of Russia
chemical formula
Al₂BeO₄
density
೩.೬೭±೦.೧೭ gram per cubic centimetre
crystal system
orthorhombic crystal system
Mohs' hardness
೮.೫
described by source
Technical Encyclopedia
statement is subject of: Q59342674
Brockhaus and Efron Encyclopedic Dictionary
statement is subject of: Q24329967
Small Brockhaus and Efron Encyclopedic Dictionary
statement is subject of: Q24730901
Great Soviet Encyclopedia (1926–1947)
statement is subject of: Q43434246
Technical Encyclopedia, 1st edition
statement is subject of: Q59342674
Armenian Soviet Encyclopedia, vol. 1
page(s): 158
ಕಾಮನ್ಸ್ ವರ್ಗ
Alexandrite