MN400 Sample ID MN400 • Cabinet F Huelandite 9.464cm W x 6.414cm H x 6.359cm D • 270g Sample TypeMineralColorReddish OrangeLusterVitreous to sLightly pearly StreakColorless/whiteCleavage/FracturePerfect/UnevenSpecific Gravity2.547 Geographic Location/DateNA Mohs Hardness 3 Rock groundmass made up of reddish orange monoclinic crystals. The minerals have massive habit. The crystals resemble brittle platelike shards. One side of the mineral is all rocklike and the other has platelike crystal caves. Description of Mohs scale here