Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O10(OH)2. It occurs in two forms (habits): crystalline folia and compact masses; distinct crystals are not known.
In the Vinony graph
Within Vinony's link graph, 叶蜡石 is referenced by 167 other articles, and connects out to chlorite group, serpentine mineral subgroup and lepidolite.
It sits within the topics Aluminium minerals, Luminescent minerals and Minerals in space group 15.
Its subject is documented across 26 Wikipedia language editions.
Key facts
- Mineral.name
- Pyrophyllite
- Mineral.category
- Phyllosilicate minerals
- Mineral.group
- Pyrophyllite-Talc group
- Mineral.boxbgcolor
- dfce9d
- Mineral.image
- Pyrophyllite-118706.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Pearly radial cluster of pyrophyllite from Hillsborough District, Orange County, North Carolina (Size: 11 × 7.3 × 6.6 cm)
- Mineral.formula
- Al2Si4O10(OH)2
- Mineral.IMAsymbol
- Prl
- Mineral.molweight
- 360.31 g/mol
- Mineral.system
- Monoclinic or triclinic
- Mineral.class
- Prismatic (2/m) or pinacoidal ()
- Mineral.symmetry
- C2/c or C
- Mineral.unit cell
- a = 5.16 Å, b = 8.966(3) Å, c = 9.347(6) Å; α = 91.18°, β = 100.46°, γ = 89.64°; Z = 2
- Mineral.color
- Brown green, brownish yellow, greenish, gray green, gray white
- Mineral.habit
- Compact spherulitic aggregates of needlelike radiating crystals; as fine grained foliated laminae, granular, massive
- Mineral.cleavage
- [001] Perfect
- Mineral.tenacity
- Flexible inelastic
via Wikipedia infobox
Wikidata facts
- Subclass of
- phyllosilicates
- Named after
- leaf
- Image
- Pyrophyllite-386094.jpg
Show 10 more facts
- type locality (geology)
- Beryozovskoye deposit
- streak color
- white
- crystal system
- triclinic crystal system
- Nickel-Strunz 9th edition (updated 2009)
- 9.EC.10
- Commons category
- Pyrophyllite
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.EC.10
- IMA Mineral Symbol
- Prl
- described by source
- Encyclopædia Britannica 11th edition
- chemical formula
- Al₂Si₄O₁₀(OH)₂
- Strunz 8th edition (series ID, updated)
- VIII/E.04
Sources (2)
via Wikidata · CC0
Article · 中文
叶蜡石（英語：Pyrophyllite），是种重要的非金属矿物原料。工业用途广泛，如耐火材料、陶瓷、电瓷、坩埚、玻璃纤维、橡胶、造纸、颜料、製药、製糖、化妆品、塑料制品的辅助材料。 少部分材质好的叶蜡石在中国作为篆刻的石料。中国著名四大印石矿是：寿山石、青田石、巴林石、昌化石。
Abstract from DBpedia / Wikipedia · CC BY-SA
Connections
chlorite group
Entity
serpentine mineral subgroup
Entity
lepidolite
Entity
Mohs scale of mineral hardness
Entity
talc
Entity
silicate mineral
Entity
relative density
Entity
Рagodite
Entity
Japan
Country
Brazil
Country
Switzerland
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Belgium
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Sweden
Country
North Carolina
Entity
aluminium
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International Standard Book Number
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mineral
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Yekaterinburg
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Newfoundland and Labrador
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Ural Mountains
Entity