Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
1.794.95-5.0
1
7.18
👆🏻
Fracture
Uneven
Uneven
Cleavage
{110} Good
Imperfect to indistinct on {10 1 0}, parting on {0001}
Mohs Hardness
2.54-5
2
10
👆🏻
Chemical Composition
MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references