Measurements: 75 x 53 x 17 mm
Description: A slab of rock with sugilite, of which one of its sides have been polished.
Weight: 180 g
Chemical Composition: KNa2(Fe,Mn,Al)2Li3Si12O30 (sugilite)Hardness on Mohs Scale: (sugilite) 5.5 to 6.5
Specimen Code: TUMB 001
US $ 150