Phosphophyllite and Riebeckite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.07-3.13
3.28-3.44
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Uneven, Splintery, Brittle
Cleavage
{100} Perfect, {010} Distinct, {102} Distinct
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Mohs Hardness
3-3.5
5.0-6.0
Chemical Composition
Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Phosphophyllite and Riebeckite Chemical Formula
While comparing Phosphophyllite and Riebeckite 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 Phosphophyllite and Riebeckite chemical formula.
- Chemical formula of Phosphophyllite- Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Phosphophyllite and Riebeckite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphophyllite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphophyllite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Phosphophyllite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.