1 Physical Properties
1.1 Tenacity
Not Available
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1.2 Solubility
Not Available
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1.3 Durability
Not Available
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1.4 Specific Gravity
1.5 Fracture
Uneven
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
1.6 Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
Perfect on {100}, imperfect on {001}
1.7 Mohs Hardness
1.8 Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)