Willemite and Phosphosiderite Physical Properties

Willemite

Phosphosiderite

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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

3.89-4.182.74-2.76

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

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

1.6 Cleavage

{0001}, {11 2 0} imperfect

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

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

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

Willemite and Phosphosiderite Chemical Formula

While comparing Willemite 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 Willemite and Phosphosiderite chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael 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 Red Gemstones

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Willemite Vs Garnet Color Change

Willemite and Phosphosiderite Specific Gravity

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