Danburite and Phosphosiderite Physical Properties

Danburite

Phosphosiderite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.032.74-2.76

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven

1.6 Cleavage

{001} Poor

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

73.5-4

2 10

1.8 Chemical Composition

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Danburite and Phosphosiderite Chemical Formula

While comparing Danburite and Phosphosiderite 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 Danburite and Phosphosiderite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Yellow Gemstones

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Danburite and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Danburite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Danburite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Danburite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.