strunzite

Strunzite (Mn2+Fe3+2(PO4)2(OH)26H2O) is a light yellow mineral of the strunzite group, first discovered in 1957.

Key facts

Mineral.name: Strunzite
Mineral.image: Strunzite-115068.jpg
Mineral.imagesize: 260
Mineral.caption: Strunzite from Bavaria, Germany
Mineral.formula: Mn2+Fe3+2(PO4)2(OH)26H2O
Mineral.IMAsymbol: Snz
Mineral.strunz: 8.DC.25
Mineral.system: Triclinic
Mineral.symmetry: P (no. 2)
Mineral.unit cell: a = 10.228(5) [Å], b = 9.837(5) [Å] c = 7.284(5) [Å]; α = 90.17(5)° β = 98.44(5)° γ = 117.44(5)°; Z = 2
Mineral.color: Straw yellow to brownish yellow
Mineral.habit: Acicular
Mineral.mohs: 4
Mineral.luster: vitreous
Mineral.streak: white
Mineral.gravity: 2.52
Mineral.density: 2.52 g/cm3
Mineral.pleochroism: Weak

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Wikidata facts

Image: Strunzite-115068.jpg

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Nickel-Strunz 9th edition (updated 2009): 8.DC.25
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 8.DC.25
Commons category: Strunzite
IMA Mineral Symbol: Snz
chemical formula: Mn²⁺Fe₂³⁺(PO₄)₂(OH)₂·8H₂O
Strunz 8th edition (series ID, updated): VII/D.05

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Strunzite (Mn2+Fe3+2(PO4)2(OH)26H2O) is a light yellow mineral of the strunzite group, first discovered in 1957.

It crystallizes in the triclinic system and has a light, vitreous luster, a specific gravity of 2.52 and a Mohs hardness of 4. Associated minerals include beraunite, quartz and strengite.