Andradite and Microcline Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.70-4.10
2.55-2.63
Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems
Cleavage
none
{001} Perfect, {010} Good
Mohs Hardness
6.5-7
6-6.5
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Andradite and Microcline Chemical Formula
While comparing Andradite and Microcline 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 Andradite and Microcline chemical formula.
- Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Andradite and Microcline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Andradite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.