Nepheline and Datolite Physical Properties

Nepheline

Datolite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.652.90-3.00

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

[1010] Poor

None

1.7 Mohs Hardness

5-65-5.5

2 10

1.8 Chemical Composition

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nepheline and Datolite Chemical Formula

While comparing Nepheline and Datolite 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 Nepheline and Datolite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Nepheline Vs Pyrope Spessartine

Nepheline Vs Prase Opal

Nepheline Vs Pyrope

Nepheline and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Datolite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.90-3.00 whereas that of Datolite is 2.90-3.00.