Stolzite and Astrophyllite Physical Properties

Stolzite

Astrophyllite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

23.2-3.4

1 7.18

1.5 Fracture

Conchoidal, Uneven, Brittle

Uneven, Brittle, Metallic

1.6 Cleavage

Imperfect on {001}, indistinct on {011}

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

2.5-33

2 10

1.8 Chemical Composition

Not Available

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Stolzite and Astrophyllite Chemical Formula

While comparing Stolzite and Astrophyllite 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 Stolzite and Astrophyllite chemical formula.

Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Stolzite Vs Cacoxenite

Stolzite Vs Helenite

Stolzite Vs Edenite

Stolzite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stolzite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stolzite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Stolzite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.