Spessartine and Moonstone Physical Properties

Spessartine

Moonstone

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.12-4.182.56-2.60

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{???} Distinct

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Spessartine and Moonstone Chemical Formula

While comparing Spessartine and Moonstone 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 Spessartine and Moonstone chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Red Gemstones

Spessartine Vs Tourmaline

Spessartine Vs Triplite

Spessartine Vs Tortoiseshell

Spessartine and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.