Humite and Caledonite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.20-3.32
5.6-5.76
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Cleavage
Poor
[001] perfect; [100] distinct
Mohs Hardness
6-6.5
2.5-3
Chemical Composition
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Humite and Caledonite Chemical Formula
While comparing Humite and Caledonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Humite and Caledonite chemical formula.
- Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Humite and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Humite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Humite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Humite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.