Phosphosiderite
A variety of Metavariscite Group
What is Phosphosiderite?
Phosphosiderite is an orchid-purple colored mineral with yellow streaks. Iron and phosphate are the two main materials that make up this rock. It is of below average hardness, so it can be brittle and must be handled carefully. It is usually cut into a cabochon shape by jewelers so as to avoid excessive wear.
Uses & Applications
Phosphosiderite is a relatively rare mineral that has no industrial or practical uses. It is an ornamental and collector's mineral, usually cut into a cabochon shape to be used for jewelry. Phosphosiderite is popular as a decorative stone when it displays hues of purple, violet, bluish-violet, or carmine red.
Healing Properties
Phosphosiderite is believed to bring balance and stability into the life of its user. It has a calming energy that is thought to relieve stress and encourage relaxation as an aid to restless sleep. Meditate with the stone to open the Crown and Soul Star chakra for better understanding of the spiritual realm.
Optical Properties
- Refractive Index
- 1.692-1.739
- Pleochroism
- Pale rose-red, carmine-red, colorless
- Optical Character
- Biaxial negative
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Phosphosiderite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Phosphosiderite Localities Map
See where Phosphosiderite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Associated Chakras
Quick Facts
Physical Properties
- Color
- Purple to reddish violet, rose-red, peachy-pink, brownish yellow, moss-green, colourless, rose to colourless in transmitted light
- Hardness (Mohs)
- 3.5 - 4
- Density
- 2.76 g/cm³
- Streak
- White
- Luster
- Vitreous, Resinous
- Crystal System
- Monoclinic
Chemical Properties
- Chemical Formula
- FePO4 · 2H2O
- Elements
- Fe, H, O, P
Also Known As
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Phosphosiderite FAQs
How do I identify Phosphosiderite?
Phosphosiderite can be identified by its hardness of 3.5 - 4 on the Mohs scale, Purple to reddish violet color, Vitreous, Resinous luster, Monoclinic crystal system. Look for these key characteristics when examining specimens.
What color is Phosphosiderite?
Phosphosiderite typically appears in Purple to reddish violet, rose-red, peachy-pink, brownish yellow, moss-green, colourless, rose to colourless in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Phosphosiderite?
Phosphosiderite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.