ˈham(ˌ)bərˌgīt noun
( -s )
Etymology: Swedish hambergit, from Axel Hamberg died 1933 Swedish mineralogist + Swedish -it -ite
: a mineral Be 2 (OH)BO 3 consisting of beryllium borate and occurring as grayish white prismatic crystals (hardness 7.5, specific gravity 2.35)