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Anthophyllite

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Big Photo

Passiria Valley (Passeier Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy
© Marco Barsanti

Show Anthophyllite Photos (40)



Formula:
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
System:OrthorhombicColour:White, greenish grey, ...
Lustre:Vitreous, PearlyHardness:5½ - 6
Member of:Mg-Fe-Mn-Li Ortho-Amphibole Subgroup > Amphibole Group
Name:From the Latin "anthophyllum," meaning "clove" (itself derived from the Greek άνθος for "flower" and φύλλον for "leaf" ), in allusion to its common clove-brown colour.
This page provides mineralogical data about Anthophyllite.

Classification of Anthophyllite

IMA status:Approved
Strunz 8th edition ID:8/F.12-60
Nickel-Strunz 10th (pending) edition ID:9.DE.05

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Dana 8th edition ID:66.1.2.1

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
1 : Amphiboles - Mg-Fe-Mn-Li subgroup
Hey's CIM Ref.:14.21.5

14 : Silicates not Containing Aluminum
21 : Silicates of Fe and Mg
mindat.org URL:http://www.mindat.org/min-254.html
Please feel free to link to this page.

Type Occurrence of Anthophyllite

Type Locality:Kjennerudvann Anthophyllite Prospect, Kjennerudvann, Kongsberg, Buskerud, Norway
Year of Discovery:1801

Physical Properties of Anthophyllite

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Colour:White, greenish grey, green, clove brown, or brownish green
Streak:White to greyish-white.
Hardness (Mohs):5½ - 6
Cleavage:Perfect
Perfect on {210}, imperfect on {010}, {100}
Fracture:Conchoidal
Density (measured):2.85 - 3.57 g/cm3
Density (calculated):3.67 g/cm3

Crystallography of Anthophyllite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pnma {P21/n 21/m 21/a}
Cell Parameters:a = 18.5Å, b = 17.9Å, c = 5.28Å
Ratio:a:b:c = 1.034 : 1 : 0.295
Unit Cell Volume:V 1,748.47 ų (Calculated from Unit Cell)

Optical Data of Anthophyllite

Type:Biaxial (+)
RI values: nα = 1.598 - 1.674 nβ = 1.605 - 1.685 nγ = 1.615 - 1.697
2V:Measured: 57° to 90°, Calculated: 82° to 90°
Maximum Birefringence:δ = 0.017 - 0.023

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v or r < v

Chemical Properties of Anthophyllite

Formula:
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Essential elements:H, Mg, O, Si
All elements listed in formula:H, Mg, O, Si
Common Impurities:Ti,Al,Mn,Ca,Na

Relationship of Anthophyllite to other Species

Series:Forms a series with Ferro-anthophyllite (see here)
Forms a series with Gedrite (see here)
Member of:Mg-Fe-Mn-Li Ortho-Amphibole Subgroup > Amphibole Group
Other Members of Group:

- +
Ferro-anthophyllite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Ferrogedrite
☐{Fe
2+
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Gedrite
☐{Mg
 
2
}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Holmquistite
☐{Li
 
2
}{Mg
 
3
Al
 
2
}(Si
 
8
O
 
22
)(OH)
 
2
Protoferro-anthophyllite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Protomangano-ferro-anthophyllite
☐{Mn
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Sodic-ferro-anthophyllite
{Na}{NaFe
2+
 
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Sodic-ferrogedrite
{Na}{Fe
2+
2
}{Fe
2+
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Sodicanthophyllite
{Na}{NaMg}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Sodicgedrite
{Na}{Mg
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
9.DE.05Cummingtonite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Clinoferroholmquistite
☐{Li
 
2
}{Fe
2+
3
Al
 
2
}(Si
 
8
O
 
22
)(OH,F)
 
2
9.DE.05Grunerite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Manganocummingtonite
☐{Mn
2+
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Manganogrunerite
☐{Mn
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Permanganogrunerite
☐{Mn
2+
2
}{Mn
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.05Fluoro-sodic-ferropedrizite
{Na}{Li
 
2
}{Fe
 
2
Al
 
2
Li}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.05IMA2009-085
{Na}{Na
 
2
}{Mg
 
2
Fe
3+
2
Li}(Si
 
8
O
 
22
)F
 
2
9.DE.10Actinolite
☐{Ca
 
2
}{(Mg,Fe
2+
 
)
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Alumino-ferro-hornblende
☐{Ca
 
2
}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.10Alumino-magnesio-hornblende
☐{Ca
 
2
}{Mg
 
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.10Aluminotschermakite
☐{Ca
 
2
}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Ferritschermakite
☐{Ca
 
2
}{Mg
 
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Ferro-Actinolite
☐{Ca
 
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Ferrohornblende
☐{Ca
 
2
}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.10Ferrotschermakite
☐{Ca
 
2
}{Fe
2+
3
Fe
3+
 
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Joesmithite
{Pb}{Ca
 
2
}{Mg
 
3
Fe
3+
2
}(Be
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Magnesiohornblende
☐{Ca
 
2
}{Mg
 
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.10Tremolite
☐{Ca
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Tschermakite
☐{Ca
 
2
}{Mg
 
3
Fe
3+
 
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.10Cannilloite
{Ca}{Ca
 
2
}{Mg
 
4
Al}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.10Fluor-cannilloite
{Ca}{Ca
 
2
}{Mg
 
4
Al}(Al
 
3
Si
 
5
O
 
22
)(F,OH)
 
2
9.DE.10Parvo-manganotremolite
☐{CaMn
2+
 
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Fluorotremolite
☐{Ca
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)F
 
2
9.DE.10Fluoro-potassic-pargasite
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.15Edenite
{Na}{Ca
 
2
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.15Ferro-edenite
{Na}{Ca
 
2
}{Fe
2+
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.15Ferrokaersutite
{Na}{Ca
 
2
}{Fe
2+
4
Ti}(Al
 
2
Si
 
6
O
 
22
)(OH)O
9.DE.15Ferropargasite
{Na}{Ca
 
2
}{Fe
2+
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Hastingsite
{Na}{Ca
 
2
}{Fe
2+
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Kaersutite
{Na}{Ca
 
2
}{Mg
 
4
Ti}(Al
 
2
Si
 
6
O
 
22
)(OH)O
9.DE.15Magnesiohastingsite
{Na}{Ca
 
2
}{Mg
 
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Magnesiosadanagaite
{Na}{Ca
 
2
}{Mg
 
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Pargasite
{Na}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Sadanagaite
{Na}{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Fluoro-edenite
{Na}{Ca
 
2
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(F,OH)
 
2
9.DE.15Potassic-Ferrisadanagaite
{K}{Ca
 
2
}{Fe
2+
3
Fe
3+
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Potassic-Magnesiosadanagaite
{K}{Ca
 
2
}{Mg
 
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Potassicpargasite
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.15Potassicsadanagaite
{K}{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
9.DE.15Fluoro-magnesiohastingsite
{Na}{Ca
 
2
}{Mg
 
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.15Ferriwhittakerite
Na(Na
 
1.0-1.5
Li
 
0.5-1.0
)
 
2
(Fe
3+
2
Mg
 
2
Li)Si
 
8
O
 
22
(OH)
 
2
9.DE.15Ferri-ottoliniite
◻(Na
 
1
Li
 
1
)(Mg
 
3
Fe
3+
2
)[Si
 
8
O
 
22
](OH)
 
2
9.DE.15Fluoro-potassichastingsite
[K][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(F,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Chloro-potassichastingsite
[K][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(Cl,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Fluoropargasite
NaCa
 
2
(Mg
 
4
Al)Al
 
2
Si
 
6
O
 
22
(F,OH)
 
2
9.DE.15Parvo-mangano-edenite
Na[CaMn
2+
 
][Mg
 
5
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.15Chloro-potassicpargasite
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(Cl,OH)
 
2
9.DE.15Chloro-potassic-ferro-edenite
[K][Ca
 
2
][Fe
2+
5
][(Cl,OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.15Potassic-magnesiohastingsite
[K][Ca
 
2
][Mg
 
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Potassic-ferropargasite
KCa
 
2
(Fe
2+
4
Al)Si
 
6
Al
 
2
O
 
22
(OH)
 
2
9.DE.20Aluminobarroisite
☐[CaNa][Mg
 
3
Al
 
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.20Aluminokatophorite
9.DE.20Aluminotaramite
Na[CaNa][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.20Barroisite
☐{CaNa}{Mg
 
3
AlFe
3+
 
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferri-ferrobarroisite
☐[CaNa][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.20Ferri-ferrowinchite
☐[CaNa][Fe
2+
4
(Fe
3+
 
,Al)]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Ferribarroisite
☐[CaNa][Mg
 
3
Fe
3+
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.20Ferritaramite
Na[CaNa][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.20Ferrikatophorite
NaCaNaFe
2+
4
(Fe
3+
 
,Al)AlSi
 
7
O
 
22
(OH)
 
2
9.DE.20Alumino-ferrobarroisite
☐{CaNa}{Fe
2+
3
Al
 
2
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferrobarroisite
☐{CaNa}{Fe
2+
3
AlFe
3+
 
}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferrorichterite
{Na}{CaNa}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Ferrowinchite
☐{CaNa}{Fe
2+
4
Al}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Katophorite
{Na}{CaNa}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Ferri-magnesiotaramite
Na[CaNa][Mg
 
3
Fe
3+
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.20Magnesiotaramite
{Na}{CaNa}{Mg
 
3
AlFe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Richterite
{Na}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Taramite
{Na}{CaNa}{Fe
2+
3
AlFe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Winchite
☐{CaNa}{Mg
 
4
Al}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.20Alumino-Magnesiotaramite
{Na}{CaNa}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
9.DE.20Fluororichterite
Na[CaNa][Mg
 
5
][(F,OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Magnesiokatophorite
{Na}{CaNa}{Mg
 
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
9.DE.20Fluoro-potassicrichterite
{K}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(F,OH)
 
2
9.DE.20Potassicrichterite
K[CaNa][Mg
 
5
]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Parvowinchite
☐[Mn
2+
 
Na][Mg
 
4
(Al,Fe
3+
 
)]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Ferriwinchite
☐[CaNa][Mg
 
4
(Fe
3+
 
,Al)]Si
 
8
O
 
22
(OH)
 
2
9.DE.20Fluoro-alumino-magnesiotaramite
{Na}{CaNa}{Mg
 
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)F
 
2
9.DE.25Arfvedsonite
[Na][Na
 
2
][Fe
2+
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Eckermannite
[Na][Na
 
2
][(Mg,Fe
2+
 
)
 
4
Al]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferro-eckermannite
[Na][Na
 
2
][(Fe
2+
 
,Mg)
 
4
Al]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferroglaucophane
◻[Na
 
2
][Fe
2+
3
Al
 
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Glaucophane
◻[Na
 
2
][Mg
 
3
Al
 
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Kornite
[(Na,K)][Na
 
2
][Mg
 
2
Mn
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Kôzulite
[Na][Na
 
2
][Mn
2+
4
(Fe
3+
 
,Al)]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Leakeite
[Na][Na
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Magnesioriebeckite
◻[Na
 
2
][Mg
 
3
Fe
3+
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Magnesio-arfvedsonite
[Na][Na
 
2
][Mg
 
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Nybøite
[Na][Na
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.25Riebeckite
◻[Na
 
2
][Fe
2+
3
Fe
3+
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ungarettiite
[Na][Na
 
2
][Mn
2+
2
Mn
3+
3
][O
 
2
|Si
 
8
O
 
22
]
9.DE.25Ferric-ferronybøite
[Na][Na
 
2
][(Fe
2+
 
,Mg)
 
3
Fe
3+
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.25Ferri-clinoferroholmquistite
◻[Li
 
2
][Fe
2+
3
Fe
3+
2
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferric-nybøite
[Na][Na
 
2
][(Mg,Fe
2+
 
)
 
3
Fe
3+
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.25Ferroleakeite
[Na][Na
 
2
][Fe
2+
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Fluoro-ferroleakeite
[Na][Na
 
2
][Fe
2+
2
Fe
3+
2
Li][(F,OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Sodic-ferri-clinoferroholmquistite
☐{Li
 
2
}{Fe
2+
3
Fe
3+
2
}(Si
 
8
O
 
22
)(OH)
 
2
9.DE.25Fluoro-magnesio-arfvedsonite
[Na][Na
 
2
][Mg
 
4
Fe
3+
 
][(F,OH)
 
2
|[Si
 
8
O
 
22
]
9.DE.25Sodic-ferripedrizite
[Na][Li
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Potassicleakeite
[K][Na
 
2
][Mg
 
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Fluoronybøite
[Na][Na
 
2
][Mg
 
3
Al
 
2
][(F,OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.25Dellaventuraite
NaNa
 
2
(MgMn
3+
2
LiTi
4+
 
)Si
 
8
O
 
22
O
 
2
9.DE.25Fluoro-sodicpedrizite
[Na][Li
 
2
][Mg
 
2
Al
 
2
Li][(F,OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Potassicarfvedsonite
[(K,Na)][Na
 
2
][Fe
2+
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Obertiite
[Na][Na
 
2
][Mg
 
3
(Ti,Fe
3+
 
,Mn
3+
 
)
 
2
][O
 
2
|Si
 
8
O
 
22
]
9.DE.25Fluoro-potassic-magnesio-arfvedsonite
[(K,Na)][Na
 
2
][Mg
 
4
Fe
3+
 
][(F,OH)
 
2
|[Si
 
8
O
 
22
]
9.DE.25Sodic-ferri-ferropedrizite
[Na][Li
 
2
][Fe
2+
2
Fe
3+
2
Li]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Potassic-magnesio-arfvedsonite
[K][Na
 
2
][Mg
 
4
Fe
3+
 
]Si
 
8
O
 
22
(OH)
 
2
9.DE.25Sodicpedrizite
NaLi
 
2
(LiMg
 
2
Fe
3+
 
Al)(Si
 
8
O
 
22
)(OH)
 
2
9.DE.25Sodic-ferropedrizite
NaLi
 
2
(LiFe
2+
2
Al)Si
 
8
O
 
22
(OH)
 
2
9.DE.25Pedrizite
Li
 
2
(Li,Mg,Fe
2+
 
Al)
 
5
Si
 
8
O
 
22
(OH)
 
2
9.DE.25Ferropedrizite
NaLi
 
2
[Fe
2+
2
Fe
3+
 
AlLi)Si
 
8
O
 
22
(OH)
 
2
9.DE.25Fluoro-aluminoleakeite
NaNa
 
2
(Mg
 
2
Al
 
2
Li)(Si
 
8
O
 
22
)F
 
2
9.DE.25Ferro-obertiite
NaNa
 
2
(Fe
2+
3
Fe
3+
 
Ti)Si
 
8
O
 
22
O
 
2
Related Minerals - Hey's Index Grouping:

- +
14.21.1Olivine
(Mg,Fe
2+
 
)
 
2
SiO
 
4
14.21.2Ringwoodite
(Mg,Fe
2+
 
)
 
2
SiO
 
4
14.21.3Wadsleyite
(Mg,Fe
2+
 
)
 
2
(SiO
 
4
)
14.21.4Clinoferrosilite
Fe
2+
 
SiO
 
3
14.21.6Cummingtonite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
14.21.7 Magnesiocummingtonite
14.21.8Grunerite
☐{Fe
2+
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
14.21.9Minnesotaite
(Fe,Mg)
 
3
(Si
 
4
O
 
10
)(OH)
 
2
14.21.10Chesterite
(Mg,Fe)
 
17
Si
 
20
O
 
54
(OH)
 
6
14.21.11Jimthompsonite
(Mg,Fe)
 
5
Si
 
6
O
 
16
(OH)
 
2
14.21.12Clinojimthompsonite
(Mg,Fe)
 
5
Si
 
6
O
 
16
(OH)
 
2
14.21.13Majorite
Mg
 
3
(Fe
2+
 
,Si,Al)
 
2
(SiO
 
4
)
 
3
14.21.14Balangeroite
(Mg,Fe,Fe,Mn)
 
42
Si
 
16
O
 
54
(OH)
 
40

Other Names for Anthophyllite

Synonyms:
AnthogrammiteAnthophyllineAntofilliteGray AsbestosKupferite
Magnesio-anthophyllite
Other Languages:
German:Anthogrammit
Antholith (of Breithaupt)
Anthophyllit
Antophyllit
Kupferit
Russian:Антофиллит
Simplified Chinese:直闪石
Spanish:Anthogrammita
Antofilita
Kupferita
Varieties:
Kupfferite (of Koksarov)

Other Information

Health Warning:Asbestiform habits of the mineral should be handled with care.

References for Anthophyllite

Reference List:

- +
Schumacher, C.F. (1801): Versuch eines verzeichnisses der in den Dänisch-Nordischen Staaten sich findenden einfachen Mineralien. Kopenhagen, p.96
[first description of the mineral]

Mineralogical Record: 29: 169-174.

Zeitschrift für Kristallographie: 188: 237-244.

Chakraborty, K. L. (1963): Relationship of anthophyllite, cummingtonite and mangano-cummingtonite in the metamorphosed Wabush iron-formation, Labrador. Can Mineral 7, 738-750.

Veblen, D.R. (1980) Anthophyllite asbestos: microstructure, intergrown sheet silicates, and mechanism of fiber formation. American Mineralogist: 65: 1075-1086.

Raade, G.(1996): Minerals originally described from Norway. Bergverksmuseets skrift: 11: p.20

P. E. Champness and K. A. Rodgers (2000): The origin of iridescence in anthophyllite-gedrite from Simiuttat, Nuuk district, southern West Greenland. Mineralogical Magazine 64, 885-889.

Ishida, K. and Hawthorne, F.C. (2003). Fine structure in the infrared OH-stretching bands of holmquistite and anthophyllite. Physics and Chemistry of Minerals: 30: 330-336.

Hawthorne, Frank C., and Roberta Oberti (2006), On the classification of amphiboles: Canadian Mineralogist: 44(1): 1-21.

Schindler, M.; Sokolova, E.; Abdu, Y.; Hawthorne, F.C.; Evans, B.W.; Ishida, K. (2008): The crystal chemistry of the gedrite-group amphiboles. I. Crystal structure and site populations. Mineral. Mag., 72, 703-730.

Hawthorne, F.C.; Schindler, M.; Abdu, Y.; Sokolova, E.; Evans, B.W.; Ishida, K. (2008): The crystal chemistry of the gedrite-group amphiboles. II. Stereochemistry and chemical relations. Mineral. Mag., 72, 731-745.

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    Updated Mineral Entry: SjögreniteFrom Uwe Kolitsch, 8th Feb 2012 18:59:19