alexandrite
variety of the mineral chrysoberyl
ଏହାର ମୁଖ୍ୟଶ୍ରେଣୀ
chrysoberyl
ନାମରେ ନାମିତ
Alexander II of Russia
chemical formula
Al₂BeO₄
density
୩.୬୭±୦.୧୭ gram per cubic centimetre
crystal system
orthorhombic crystal system
Mohs' hardness
୮.୫
described by source
Technical Encyclopedia
କାହାର ବିଷୟ: Q59342674
Brockhaus and Efron Encyclopedic Dictionary
କାହାର ବିଷୟ: Q24329967
Small Brockhaus and Efron Encyclopedic Dictionary
କାହାର ବିଷୟ: Q24730901
Great Soviet Encyclopedia (1926–1947)
କାହାର ବିଷୟ: Q43434246
Technical Encyclopedia, 1st edition
କାହାର ବିଷୟ: Q59342674
Armenian Soviet Encyclopedia, vol. 1
ପୃଷ୍ଠା: 158
କମନ୍ସ ଶ୍ରେଣୀ
Alexandrite