Narsarsukite and Astrophyllite Physical Properties

Narsarsukite

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

2.72-2.833.2-3.4

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Uneven, Brittle, Metallic

1.6 Cleavage

Good on {100} and {110}

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

6-73

2 10

1.8 Chemical Composition

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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

Narsarsukite and Astrophyllite Chemical Formula

While comparing Narsarsukite 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 Narsarsukite and Astrophyllite chemical formula.

Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
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

Narsarsukite Vs Pearl

Narsarsukite Vs Pargasite

Narsarsukite Vs Pezzottaite

Narsarsukite and Astrophyllite Specific Gravity

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