Phosphosiderite and Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.76
2.85-3.35
Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
{010} Perfect, {001} Distinct
Indistinct
Mohs Hardness
3.5-4
7-7.5
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Phosphosiderite and Tourmaline Chemical Formula
While comparing Phosphosiderite and Tourmaline 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 Tourmaline chemical formula.
- Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Phosphosiderite and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.