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Phosphosiderite is a hydrated iron phosphate mineral best known in the gem and collector trade for lavender, purple, reddish-violet, or pink material, though it also occurs in yellow-brown, green, and colorless forms. Crystals may be tabular or prismatic, and the mineral can also form rounded or crust-like aggregates.
Quick Facts
- Formula: FePO₄ · 2H₂O
- Crystal system: Monoclinic
- Mohs hardness: About 3.5–4
- Typical colors: Purple, reddish violet, rose, peachy pink, yellow-brown, green, or colorless
- Mineral group: Metavariscite group
- Relationship: Dimorph of strengite
History & Name
The mineral was named Phosphosiderite in 1890. Its name combines its phosphate chemistry with the Greek sideros, meaning iron. Its coloration and relative softness make polished material attractive but more delicate than quartz.
Metaphysical Meaning
Modern crystal traditions often associate Phosphosiderite with calm reflection, emotional balance, gentle concentration, and creating quiet space for thought. These are spiritual associations rather than scientifically established properties.
Common Intentions
- Calm reflection before reacting
- Gentle focus during journaling or study
- Emotional balance
- Quiet meditation
- Creating a softer pace during transition
Care & Handling
Phosphosiderite is relatively soft and can scratch or chip more easily than quartz. Protect polished pieces from harder stones, sharp impacts, prolonged soaking, acids, and harsh chemical cleaners. Clean gently with a soft cloth and only a small amount of lukewarm water when needed; dry promptly.
Shop & Learn More
Continue through the Roosters Peacock Crystal & Stones Guide for more mineral profiles and care information.
Sources & Further Reading
Metaphysical information is presented for spiritual and educational purposes only. It is not a scientific, medical, or mental-health claim and is not a substitute for professional care.
Featured specimen photograph: Phosphosiderite from Bull Moose Mine, South Dakota, by Rob Lavinsky, licensed CC BY-SA 3.0.
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