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Phosphosiderite
Phosphosiderite

Legrandite
Legrandite



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Phosphosiderite
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Legrandite

Phosphosiderite and Legrandite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.74-2.76
3.98-4.04
1.5 Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{010} Perfect, {001} Distinct
Imperfect, poor one {100}
1.7 Mohs Hardness
3.5-4
4.5-5
1.8 Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Phosphosiderite and Legrandite Chemical Formula

While comparing Phosphosiderite and Legrandite 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 Phosphosiderite and Legrandite chemical formula.

  • Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Phosphosiderite and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.