Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
4.3-52.56-2.60
1
7.18
👆🏻
Fracture
Irregular/uneven
Uneven, ConchoidalWalter Schumann
Cleavage
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
3-3.56-6.5
2
10
👆🏻
Chemical Composition
BaSO4
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8