Tenacity
Brittle
-
Solubility
Effervesces in hot HCl
-
Durability
-
-
Specific Gravity
2.92-3.123.07-3.13
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
[10 1 1] perfect
{100} Perfect, {010} Distinct, {102} Distinct
Mohs Hardness
3.5-4.53-3.5
2
10
👆🏻
Chemical Composition
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references