Hibonite and Milarite Physical Properties

Hibonite

Milarite

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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

3.842.52-2.60

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{0001} good, {10 1 0} parting

{0001} Imperfect, {1120} Imperfect

1.7 Mohs Hardness

7.5-85.5-6

2 10

1.8 Chemical Composition

(Ca,Ce)(Al,Ti,Mg)12O19

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hibonite and Milarite Chemical Formula

While comparing Hibonite and Milarite 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 Hibonite and Milarite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hibonite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.