Actinolite and Umbalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00
3.62-4.33
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Splintery
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
Cleavage
perfect along {110}.
Not Available
Chemical Composition
Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Actinolite and Umbalite Chemical Formula
While comparing Actinolite and Umbalite 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 Actinolite and Umbalite chemical formula.
- Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
- Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
Actinolite and Umbalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Actinolite and Umbalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Actinolite and Umbalite Optical Properties during the identification of gemstone. Specific gravity of Actinolite is 3.62-4.33 whereas that of Umbalite is 3.62-4.33.