Zoisite and Actinolite Physical Properties

Zoisite

Actinolite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.20-3.503.00

1 7.18

👆🏻

Fracture

Uneven, Conchoidal, Even

Uneven, Splintery

Cleavage

Perfect {010} imperfect {100}

perfect along {110}.

Mohs Hardness

6-75-6

2 10

👆🏻

Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Zoisite and Actinolite Chemical Formula

While comparing Zoisite and Actinolite 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 Zoisite and Actinolite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Actinolite- Ca 2(Mg,Fe) 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare Brown Gemstones

Zoisite Vs Mottramite

Zoisite Vs Pyrrhotite

Zoisite Vs Vesuvianite

Zoisite and Actinolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Actinolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Actinolite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 3.00 whereas that of Actinolite is 3.00.