Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.22-3.403.07-3.13
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
1,2 prismatic.
{100} Perfect, {010} Distinct, {102} Distinct
Mohs Hardness
5-63-3.5
2
10
👆🏻
Chemical Composition
(Ca,Cr)MgSi 2O 6Gemdat.org , Management Team (2012)
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references