IMA mineral species

Minyulite

🪶 Soft, Scratches Easily

KAl₂(PO₄)₂F·4H₂O

Phosphate mineral.

YellowGreenWhite & Clear

Minyulite specimen
Minyulite-101599.jpg · Wikimedia Commons (see file page for author & license)

Properties

⛏ Mohs hardness3.5
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💅🪙🍶🔪💎

A copper coin scratches it.

🔷 Orthorhombic✏️ streak white
Chemical formulaKAl₂(PO₄)₂F·4H₂O
ElementsK, Al, P, O, F, H
Crystal systemOrthorhombic
Mohs hardness3.5
Density—
Streakwhite
Color—
IMA symbolMyu
Nickel–Strunz class8.DH.05

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

Care & Handling

  • 🪶 Soft, Scratches Easily Mohs 3.5: softer than a steel knife, so it scratches easily. Store it apart from harder stones.