carpholite
Sign in to saveCarpholite is a manganese silicate mineral with formula Mn2+Al2Si2O6(OH)4. It occurs as yellow clusters of slender prisms or needles. It crystallizes in the orthorhombic system.
Key facts
- Mineral.name
- Carpholite
- Mineral.image
- Carfolite.jpg
- Mineral.imagesize
- 260px
- Mineral.category
- Inosilicate
- Mineral.formula
- Mn2+Al2Si2O6(OH)4
- Mineral.IMAsymbol
- Car
- Mineral.strunz
- 9.DB.05
- Mineral.system
- Orthorhombic
- Mineral.class
- Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
- Mineral.symmetry
- Ccca
- Mineral.unit cell
- a = 13.83, b = 20.31, c = 5.13 [Å]; Z = 8
- Mineral.color
- Yellow
- Mineral.habit
- Prismatic, acicular to fibrous clusters
- Mineral.twinning
- On {100}
- Mineral.cleavage
- Perfect on {010}
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 5.5-6
- Mineral.luster
- Silky
via Wikipedia infobox
Wikidata facts
- Image
- Carfolite.jpg
Show 6 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.DB.05
- Commons category
- Carpholite
- Nickel-Strunz 9th edition (updated 2009)
- 9.DB.05
- IMA Mineral Symbol
- Car
- chemical formula
- Mn²⁺Al₂(Si₂O₆)(OH)₄
- Strunz 8th edition (series ID, updated)
- VIII/D.03
Sources (1)
via Wikidata · CC0
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Article
2 sectionsContents
- Discovery and occurrence
- References
{{infobox mineral | name = Carpholite | image = Carfolite.jpg | imagesize = 260px | caption = | category = Inosilicate | formula = Mn2+Al2Si2O6(OH)4 | IMAsymbol=Car | molweight = | strunz = 9.DB.05 | dana = | system = Orthorhombic | class = Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) | symmetry = Ccca | unit cell = a = 13.83, b = 20.31, c = 5.13 [Å]; Z = 8 | color = Yellow | colour = | habit = Prismatic, acicular to fibrous clusters | twinning = On {100} | cleavage = Perfect on {010} | fracture = | tenacity = Brittle | mohs = 5.5-6 | luster = Silky | streak = | diaphaneity = Translucent | gravity = 2.935-3.031 | density = | polish = | opticalprop = Biaxial (-) | refractive = nα = 1.610 nβ = 1.628 nγ = 1.630 | birefringence = δ = 0.020 | pleochroism = Distinct; X = Y = pale yellow; Z = colorless | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }} Carpholite is a manganese silicate mineral with formula Mn2+Al2Si2O6(OH)4. It occurs as yellow clusters of slender prisms or needles. It crystallizes in the orthorhombic system.
The carpholite group includes ferrocarpholite, magnesiocarpholite, vanadiocarpholite, and potassiccarpholite.