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Magnesiohornblende

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Big Photo

Willi Agatz Mine, Dresden, Saxony, Germany
© Thomas Witzke

Show Magnesiohornblende Photos (12)



Formula:
☐{Ca
 
2
}{Mg
 
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
System:MonoclinicColour:Medium green to dark ...
Lustre:VitreousHardness:5 - 6
Member of:Calcic Clino-Amphibole Subgroup > Amphibole Group


Amphibole Group. Calcic Clino-Amphibole Subgroup. Ferrohornblende-Magnesiohornblende Series.

See also Fluormagnesiohornblende.

Classification of Magnesiohornblende

IMA status:Approved
Strunz 8th edition ID:8/F.10-40
Nickel-Strunz 10th (pending) edition ID:9.DE.10

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Hey's CIM Ref.:16.23.6

16 : Silicates Containing Aluminum and other Metals
23 : Aluminosilicates of Fe, Ca, and Mg
mindat.org URL:http://www.mindat.org/min-2524.html
Please feel free to link to this page.

Physical Properties of Magnesiohornblende

Lustre:Vitreous
Colour:Medium green to dark green to green-black to black, brown
Streak:Pale grey-green, grey-white
Hardness (Mohs):5 - 6
Cleavage:Perfect
on {110}

Crystallography of Magnesiohornblende

Crystal System:Monoclinic
Cell Parameters:a = 9.88Å, b = 18.17Å, c = 5.3Å
β = 104.58°
Ratio:a:b:c = 0.544 : 1 : 0.292
Unit Cell Volume:V 920.81 ų (Calculated from Unit Cell)

Optical Data of Magnesiohornblende

Type:Biaxial (-)
RI values: nα = 1.616 - 1.680 nβ = 1.626 - 1.695 nγ = 1.636 - 1.700
2V:Measured: 66° to 85°, Calculated: 58° to 88°
Maximum Birefringence:δ = 0.020

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 Magnesiohornblende

Formula:
☐{Ca
 
2
}{Mg
 
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
Essential elements:Al, Ca, H, Mg, O, Si
All elements listed in formula:Al, Ca, H, Mg, O, Si
Common Impurities:Ti,Mn,Na,K,Cl,H2O

Relationship of Magnesiohornblende to other Species

Series:Forms a series with Ferrohornblende (see here)
Member of:Calcic Clino-Amphibole Subgroup > Amphibole Group
Other Members of Group:

- +
Actinolite
☐{Ca
 
2
}{(Mg,Fe
2+
 
)
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Barroisite
☐{CaNa}{Mg
 
3
AlFe
3+
 
}(AlSi
 
7
O
 
22
)(OH)
 
2
Cannilloite
{Ca}{Ca
 
2
}{Mg
 
4
Al}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
Edenite
{Na}{Ca
 
2
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
Ferro-Actinolite
☐{Ca
 
2
}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Ferro-aluminotschermakite
☐{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Ferro-edenite
{Na}{Ca
 
2
}{Fe
2+
5
}(AlSi
 
7
O
 
22
)(OH)
 
2
Ferro-Ferritschermakite
☐{Ca
 
2
}{Fe
2+
3
Fe
3+
2
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Ferrobarroisite
☐{CaNa}{Fe
2+
3
AlFe
3+
 
}(AlSi
 
7
O
 
22
)(OH)
 
2
Ferrohornblende
☐{Ca
 
2
}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
Ferrokaersutite
{Na}{Ca
 
2
}{Fe
2+
4
Ti}(Al
 
2
Si
 
6
O
 
22
)(OH)O
Ferropargasite
{Na}{Ca
 
2
}{Fe
2+
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Ferrorichterite
{Na}{CaNa}{Fe
2+
5
}(Si
 
8
O
 
22
)(OH)
 
2
Ferrotschermakite
☐{Ca
 
2
}{Fe
2+
3
Fe
3+
 
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Ferrowinchite
☐{CaNa}{Fe
2+
4
Al}(Si
 
8
O
 
22
)(OH)
 
2
Fluor-cannilloite
{Ca}{Ca
 
2
}{Mg
 
4
Al}(Al
 
3
Si
 
5
O
 
22
)(F,OH)
 
2
Fluoro-edenite
{Na}{Ca
 
2
}{Mg
 
5
}(AlSi
 
7
O
 
22
)(F,OH)
 
2
Fluoro-potassicrichterite
{K}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(F,OH)
 
2
Hastingsite
{Na}{Ca
 
2
}{Fe
2+
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
IMA2009-091
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)F
 
2
Kaersutite
{Na}{Ca
 
2
}{Mg
 
4
Ti}(Al
 
2
Si
 
6
O
 
22
)(OH)O
Katophorite
{Na}{CaNa}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
Magnesiohastingsite
{Na}{Ca
 
2
}{Mg
 
4
Fe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Magnesiokatophorite
{Na}{CaNa}{Mg
 
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
Magnesiosadanagaite
{Na}{Ca
 
2
}{Mg
 
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
Magnesiotaramite
{Na}{CaNa}{Mg
 
3
AlFe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Pargasite
{Na}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Parvo-manganotremolite
☐{CaMn
2+
 
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Potassic-Ferrisadanagaite
{K}{Ca
 
2
}{Fe
2+
3
Fe
3+
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
Potassicpargasite
{K}{Ca
 
2
}{Mg
 
4
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Potassicsadanagaite
{K}{Ca
 
2
}{Fe
2+
3
Al
 
2
}(Al
 
3
Si
 
5
O
 
22
)(OH)
 
2
Richterite
{Na}{CaNa}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Taramite
{Na}{CaNa}{Fe
2+
3
AlFe
3+
 
}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Tremolite
☐{Ca
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
Tschermakite
☐{Ca
 
2
}{Mg
 
3
Fe
3+
 
Al}(Al
 
2
Si
 
6
O
 
22
)(OH)
 
2
Winchite
☐{CaNa}{Mg
 
4
Al}(Si
 
8
O
 
22
)(OH)
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
9.DE.05Anthophyllite
☐{Mg
 
2
}{Mg
 
5
}(Si
 
8
O
 
22
)(OH)
 
2
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.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.10IMA2009-091
{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
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
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+
 
][F
 
2
|Al
 
2
Si
 
6
O
 
22
]
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][(Cl,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
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
][F
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.20IMA2007-015
K[CaNa][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
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:

- +
16.23.1Augite
(Ca,Na)(Mg,Fe
2+
 
,Al,Fe
3+
 
,Ti)[(Si,Al)
 
2
O
 
6
]
16.23.2Dorrite
Ca
 
2
(Mg,Fe
2+
 
)
 
2
Fe
3+
4
[O
 
2
|Al
 
4
Si
 
2
O
 
18
]
16.23.3Vesuvianite
(Ca,Na,☐)
 
19
(Al,Mg,Fe
3+
 
)
 
13
(☐,B,Al,Fe
3+
 
)
 
5
(Si
 
2
O
 
7
)
 
4
(SiO
 
4
)
 
10
(OH,F,O)
 
10
16.23.5Ferrohornblende
☐{Ca
 
2
}{Fe
2+
4
Al}(AlSi
 
7
O
 
22
)(OH)
 
2
16.23.7Aerinite
(Ca
 
5.1
Na
 
0.5
)(Fe
3+
 
,Al,Fe
2+
 
,Mg)
 
4
(Al,Mg)
 
6
[HSi
 
12
O
 
36
(OH)
 
12
][(CO
 
3
)
 
1.2
(H
 
2
O)
 
12
]

Other Names for Magnesiohornblende

Synonyms:
Actinolitic hornblendeTremolitic hornblende
Other Languages:
Russian:Магнезиогорнблендит
Simplified Chinese:镁角闪石

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Magnesiohornblende

Reference List:

- +
Spear, F.S. (1981) An experimental study of hornblende stability and compositional variability in amphibolite. American Journal of Science: 281: 697-734.

American Mineralogist (1989): 74: 1097.

Mineralogical Record (1998): 29: 169-174.

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

Ishida, K. and Hawthorne, F.C. (2006): Assignment of infrared OH-stretching bands in calcic amphiboles through deuteration and heat treatment. American Mineralogist: 91: 871-879.

Internet Links for Magnesiohornblende

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    • Localities for Magnesiohornblende

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • Queensland
      • Mt Isa - Cloncurry area
        • Selwyn District
    		Costas Constantinides collection, Australian museum id
    • Tasmania
      • Corinna-Savage River district
    		Bottrill & Taheri, 2008, Savage River mine, Unpub. Rept, Mineral Resources Tasmania
      • Huon district
    		No reference listed
        • Weld river
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    • Western Australia
      • Goldfields-Esperance region
        • Kalgoorlie-Boulder City
          • Kalgoorlie
    		Wilkins, R.W.T., Davidson, L.R., and Ross, J.R. (1970): Contributions to Mineralogy and Petrology 28, 280-287.
    Austria
     
    • Lower Austria
      • Mostviertel
        • Dunkelstein Forest
          • Dunkelsteinerwald
            • Gansbach
      • Waldviertel
        • Raabs an der Thaya
          • Eibenstein an der Thaya
    		Götzinger, M. A., Beran, A. & Libowitzky, E. (1994): Exkursion A: Mineralvorkommen und Lagerstätten im östlichen Waldviertel. Mitt. Österr. Mineral. Ges. 139, 389-405.
    • Styria
      • Murau
        • Katsch an der Mur
    		http://www.markasit070752.ws24.cc/text_62520295_60708465_19667850_deutsch.html
    • Vorarlberg
      • Montafon
        • Verwall group
          • Rinder valley (Gafluna valley)
    		Niedermayr, G. et al. (1996): Carinthia II, 186./106., 111-151.
    Brazil
     
    • Goiás
      • Sanclerlândia
    		Candia, M.A.F., and Gaspar, J.C. (1997): Mineralogy and Petrology 60, 27-40.
    • Pará
      • Carajás mineral province
        • Curionópolis
    		Villas, R.N., and Dias Santos, M. (2001): Mineralium Deposita 36, 300-331
    • Paraíba
      • Borborema mineral province
        • Catingueira
    		Souza Neto, J.A., Legrand, J.M., Volfinger, M., Pascal, M.-L., and Sonnet, P. (2008): Mineralium Deposita 43, 185-205.
    • Rio Grande do Norte
      • Borborema mineral province
        • Lajes
    		Neto, J.A.S., Legrand, J.M., Volfinger, M., Pascal, M.-L., and Sonnet, P. (2008): Mineralium Deposita 43, 185-205.
    Bulgaria
     
    www.bgd.bg/summanual_2003_2.htm.
    Canada
     
    • Manitoba
      • Lynn Lake
    		CanMin 37
    • Ontario
      • Algoma District
        • Chabanel Township
    		www.venuewest.com/8IKC/s1post.htm.
      • Hastings Co.
        • Dungannon Township
    		Tilley, Cecil E., 1957, Paragenesis of Anthophyllite and Hornblende from the Bancroft Area, Ontario, American Mineralogist, v 42, p. 412-416.
        • Faraday Township
    		Jan H. Bernard and Jaroslav Hyrsl,2004,Minerals and their Localities,pg # 368
    Jan H.Bernard and Jaroslav Hyrsl,2004, Minerals and their Localities, pg #368
      • Lanark Co.
    		Jan H.Bernard and Jaroslav Hyrsl,2004,Minerals and their Localities,pg # 368
    Jan H.Bernard and Jaroslav Hyrsl,2004,Minerals and their Localities,pg #368
      • Renfrew Co.
        • Brudenell Township
    		Jan h.Bernard and Jaroslav Hyrsl,2004, Minerals and their Localities, pg # 368
      • Thunder Bay District
        • Marathon
    		Mitchell et al. (1993)
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		No reference listed
      • Outaouais
        • Pontiac RCM
    		Econ Geol. (1992) 87:164-171
    China
     
    • Anhui Province
      • Anqing Prefecture
        • Taihu Co.
          • Lake Hualiangting
    		Franz, L., Romer, R.L., Klemd, R., Schmid, R., Oberhänsli, R., Wagner, T., and Dong Shuwen (2001): Contributions to Mineralogy and Petrology 141, 322-346.
        • Yuexi Co.
          • Wumiao
            • Marble quarry
    • Gansu Province
      • Jinchang Prefecture
        • Jinchuan District
    		Chusi Li, Zhanghua Xu, de Waal, S.A., Ripley, E.M., and Maier, W.D. (2004): Mineralium Deposita 39, 159-172.
    • Hainan Province (Hainan Island)
      • Tunchang Co.
    		Deru Xu, Bin Xia, Bakun-Czubarow, N., Chi Ma, Pengchun Li, Bachlinski, R., and Guanghao Chen (2006): Acta Petrologica Sinica 22(12), 2987-3006
    • Hebei Province
      • Zhangjiakou Prefecture
        • Chongli Co.
    		Jian Shao, Chunjing Wei, Lüqiao Zhang, Shuyin Niu, and Baolei Mu (2004): Acta Petrologica Sinica 20(6), 1389-1396
    • Henan Province
      • Pingdingshan Prefecture
        • Lushan Co.
    		Dongyang Zhang, Huimin Su, Lei Tian, Jianli Kang, and Yang Gao (2010): Journal of Mineralogy and Petrology 31(1), 53-63
      • Xinyang Prefecture
        • Luoshan Co.
          • Sujiahe
    		Ratschbacher, L., Franz, L., Enkelmann, E., Jonckheere, R., Pörschke, A., Hacker, B.R., Dong, S., and Zhang, Y. (2006), In: Hacker, B.R., McClelland, W.C., and Liou, J.G. (eds.): Ultrahigh-pressure metamorphism: Deep continental subduction. Geological Society of America Special Paper 403, 45–75.
    • Jiangsu Province
      • Lianyungang Prefecture
        • Donghai Co.
          • Zhimafang
    		Zhang, R.Y., Liou, J.G., and Zheng, J.P. (2004): Contributions to Mineralogy and Petrology 147, 21-31.
    • Jiangxi Province
      • Fuzhou Prefecture
        • Chongren Co.
    		Yaohui Jiang, Hongfei Ling, Shaoyong Jiang, Honghai Fan, Weizhou Shen, and Pei Ni (2005): Journal of Petrology 46(6), 1-34.
    • Qinghai (Chinghai) Province
      • Gyêgu (Yushu) Autonomous Prefecture
        • Zadoi (Zaduo) Co.
    		Jinhua Hao, Jianping Chen, Yongge Tian, Yulong Li, and Jingwu Yin (2010): Geology and Exploration 46(3), 367-376
    • Shandong Province
      • Jiaodong Peninsula (Jiaodong Gold Province)
        • Yantai Prefecture
          • Zhaoyuan Co.
    		Jianping Qian, Tao Sun, Hongyi Chen, and Ziguo Wang (2010): Geology and Exploration 46(1), 10-19
      • Jining Prefecture
        • Sishui Co.
    		Gufeng Luo, Yuhua Wang, Jiyue Xue, and Fusheng Zhang (2001): Acta Mineralogica Sinica 21(3), 295-298
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Hami (Kumul; Qumul) Prefecture
        • Hami (Kumul; Qumul) Co.
          • Baishiquan ore district
    		Fengmai Chai, Zhaochong Zhang, Jingwen Mao, Lianhui Dong, Zuoheng Zhang, and Hua Wu (2007): Journal of Asian Earth Sciences (in press).
    Cuba
     
    • Pinar del Río Province
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Dobříš (Doberschisch)
          • Nový Knín
    		Šrein, V., Pivec, E., Langrová, A..: Petrologie a mineralogie zlatonosného ložiska Libčice u Nového Knína. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 188-195.
        • Kutná Hora (Kuttenberg)
      • Karlovy Vary Region
        • Kraslice (Graslitz)
    		Beran, P.: Mineralogie ložiska Cu (Ag, Au, Co) rud Tisová u Kraslic. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 65-77.
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Vernířovice
    		Novotný, P.: Minerály žil alpského typu v severovýchodní části Českého masivu. Zprávy Vlastivědného muzea v Olomouci, 2004, č. 281, s. 13-63.
      • Vysočina Region
        • Havlíčkův Brod
    Houzar, S., Novák, M., Doležalová, H., Hrazdil, V., Pfeiferová, A.: Přehled mineralogie, petrografie a geologie nedvědických mramorů, svratecké krystalinikum. Acta Musei Moraviae, Sci. geol., 2006, roč. 91, s. 3-77.
    Egypt
     
    • Red Sea
    		Eur. J. Mineral. , 1993, 5, pp. 1039-1056.
    • Red Sea Governorate
      • Eastern Desert
    		Helmy, H.M., and Mogessie, A. (2001): Mineralium Deposita 36, 58-71.
    Ethiopia
     
    • Oromia (Oromiya) Province
      • Gimbi
    		http://www.env.duke.edu/people/faculty/boudreau/9thPtSymposium/Belete_Abstract.pdf
    France
     
    • Auvergne
      • Haute-Loire
        • Auzon
          • Azérat
    		Bull. Minéral. , 1987, 110, pp. 359-371.
        • Lavoûte-Chilhac
          • Saint-Cirgues
    		Bull. Minéral. , 1987, 110, pp. 359-371.
          • Saint-Privat-du-Dragon
    		PERINET F., PEGERE G. (2009) – Les sables éluvionnaires à rubis et sapphirine du secteur de Peygerolles, St-Privat-du-Dragon, Haute-Loire – Le Cahier des Micromonteurs, n° 104, pp. 35-41.
        • Torsiac
          • Lanau
    		Bull. Minéral. , 1987, 110, pp. 359-371.
      • Puy-de-Dôme
        • Jumeaux
          • Champagnat-le-Jeune
    		Bull. Minéral. , 1987, 110, pp. 359-371.
    • Franche-Comté
      • Haute-Saône
        • Château-Lambert
    		F. André and J. Béhien, Bull. Minéral. , France, 1983, 106, pp. 341-351.
    F. André and J. Béhien, Bull. Minéral. , France, 1983, 106, pp. 341-351.
    F. André and J. Béhien, Bull. Minéral. , France, 1983, 106, pp. 341-351.
    F. André and J. Béhien, Bull. Minéral. , France, 1983, 106, pp. 341-351.
          • Saint-Maurice-sur-Moselle
    		F. André and J. Béhien, Bull. Minéral. , France, 1983, 106, pp. 341-351.
    • Midi-Pyrénées
      • Aveyron
        • Rodez
          • Pont-de-Salars
    French Guiana
     
    • Apatou Commune
    		Bull. Soc. Franç. Minéralo. Cristallo. , 1964, LXXXVII, p. 625-626.
    French West Indies
     
    • Martinique
    		Ph. D'arco, J. Cotten, Bull. Minéral. , 1985, 108, pp. 153-159.
    Germany
     
    • Saxony
      • Dresden
    		XRD and SEM-EDX analysis (T. Witzke)
      • Erzgebirge
    		Lapis 30(7/8):78-80 (2005)
    • Schleswig-Holstein
      • Elmshorn
        • Barmstedt
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Kykládes Prefecture
        • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
    		Eur. J. Mineral. , 1996, 8, pp. 607-623.
    • Sterea Hellas Department
      • Fthiótis Prefecture
        • Lamia
    		Garuti, G., Zaccarini, F., and Economou-Eliopoulos, M. (1999): Mineralium Deposita 34, 312-319.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Nuuk (Godthåb)
        • Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat)
          • Bjørnesund
    		Williams, H.R. (1984): Field relations and chemistry of Sapphirine-bearing rocks from the Bjoernesund area, Fiskenaesset, Western Greenland, Canadian Mineralogist, Vol. 22, 417 - 421
    R.F. Dymek and R. Stocking , Abstr. Progr. Geol. Soc. Am. , 177, 571, 1985.
    B.F. Windley et al. , Eur. J. Mineral. , 1989, 1, pp. 427-437.
    Hungary
     
    • Baranya Co.
      • Geresdi Hills
    		HOM Collection
    India
     
    • Karnataka
      • Kolar Gold Fields
    		Narayanan Kutty, T.R. and Anantha Iyer, G.V. (1977) Indian Journal of Earth Sciences, 4, #2, 141-159.
    Italy
     
    • Latium
      • Viterbo Province
        • Onano
    		M.E. Ciriotti (2011), SEM-EDX
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Formazza Valley
          • Formazza
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo " F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
        • Ossola Valley
          • Baceno
            • Devero Alp (Devero Valley; Val Devero)
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Sardinia
      • Olbia-Tempio Pausania Province
        • Olbia
    		Gamboni, A., Gamboni, T. (2006): Gallura, tesori nel granito, i minerali delle pegmatiti granitiche. Webber Editore, Sassari, 190 pp.
    • Trentino-Alto Adige
      • Trento Province
        • Fiemme Valley
          • Predazzo
    		Demartin, F., Campostrini, I., Grisotto, M., & Grisotto, L. (2006). I Canzoccoli. Una località classica presso Predazzo, Val di Fiemme, Trento. Rivista Mineralogica Italiana, 30(3), 166-177.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Nagano Prefecture
          • Suwa-gun
    		Alfredo Petrov - private communication
      • Tohoku Region
        • Iwate Prefecture
          • Esashi City
    		Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
    • Kyushu Region
      • Kagoshima Prefecture
    		Crystal World Co. specimens, Japan.
      • Nagasaki Prefecture
        • Shimabara City
    		Alfredo Petrov collection
      • Nansei Archipelago
        • Kagoshima Prefecture
          • Tokara Archipelago
    		Tokiko Tiba (1989) Petrochemistry of the volcanic rocks from Kuchino-shima, Nakano-shima and Suwanose-jima, Tokara Islands. Memoirs of the National Science Museum (Tokyo), 22, 7-19.
    Tokiko Tiba (1989) Petrochemistry of the volcanic rocks from Kuchino-shima, Nakano-shima and Suwanose-jima, Tokara Islands. Memoirs of the National Science Museum (Tokyo), 22, 7-19.
    • Shikoku Island
      • Ehime prefecture
        • Niihama
    		Kato, A. (2009) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, #27, 426-427.
    New Zealand
     
    • South Island
      • Canterbury
        • Banks Peninsula
    		CanMin 38:191-216
    Norway
     
    • Aust-Agder
      • Åmli
    		Nordrum, F.S. (2003): Nyfunn av mineraler i Norge 2002-2003. Norsk Bergverksmuseum Skrift. 25: 82-89
      • Risør
        • Akland
    		Nordrum, F.S. & Larsen, A.O. (2003): Ein neufund von Diopsid, Amphibol und Rutil in Moland, Risør, Süd-Norwegen. Mineralien-Welt, 14 (3): 54-59; Nordrum, F. S. (2003): Nyfunn av mineraler i Norge 2002-2003. STEIN 30 (2), 4-10
    Pakistan
     
    • Khyber Pakhtunkhwa (North-West Frontier Province)
      • Mansehra District
        • Khagan valley
    		Eur. J. Mineral. , 1991, 3, pp. 613-618.
    Poland
     
    • Małopolskie
      • Western Tatra Mts
    		Ref.: Gawęda A., Kozłowski K. 1995: Petrographical and geochemical investigations of garnetiferous amphibolites from Upper Kościeliska Valley (Western Tatra Mts.). Mineralogia Polonica, vol. 26, no. 2, 21-37
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Polyarnyy
          • Greater Eastern Litsa ore field
    		Ivanyuk, G.Y., and Goryainov, P.M. (2008): Geology of Ore Deposits 50(8), 670-680.
    Saint Kitts and Nevis
     
    Ph. D'arco, J. Cotten, Bull. Minéral. , 1985, 108, pp. 153-159.
    Saint Lucia
     
    Ph. D'arco, J. Cotten, Bull. Minéral. , 1985, 108, pp. 153-159.
    Saint Vincent and the Grenadines
     
    Ph. D'arco, J. Cotten, Bull. Minéral. , 1985, 108, pp. 153-159.
    Slovakia
     
    • Banská Bystrica Region
      • Poltár Co.
        • Kalinovo
    		Spišak J., Hovorka D 2005.: Metabazity a metasedimenty z okolia ultrabázického telesa medzi Brezničkou a Kalinovom. Min.Slov., 37,1, 47-54
    Radvanec, M., 2000 : Metapelit, amfibolová bridlica a vznik magnetitovo – grafitovej mineralizácie vo veporiku pri Kokave n. Rimavicou. Mineralia Slovaca, 32, 1,1 – 16
      • Rimavská Sobota Co.
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    Uher P. & Ozdín D., 2000: Calcian dravite in marble and actinolite schist from Hnúšťa-Mútnik magnesite-talc deposit, Slovakia: compostion and origin. Acta Mineralogica-Petrographica, Abstracts, 41, 115.
        • Tisovec
    		Hurai, V. & Huraiová, M. (2011): Origin of ferroan alabandite and manganoan sphalerite from the Tisovec skarn, Slovakia. Neues Jahrbuch für Mineralogie - Abhandlungen, 188, 119-134.
    • Bratislava Region
      • Bratislava Co.
        • Bratislava
          • Staré Mesto
    		Ozdín D., Uher P., Bačík P., 2007: Amfiboly a minerály skupiny epidotu v porfyrickom diorite na lokalite Bratislava-Okánikova ulica. Mineralia Slovaca, 39,4, Geovestník, 4.
      • Pezinok Co.
        • Pezinok
    		- Uher P., Kováčik M., Kubiš M., Shtukenberg A., Ozdín D., 2008: Metamorphic vanadian-chromian silicate mineralization in carbon-rich amphibole schists from the Malé Karpaty Mountains, Western Carpathians, Slovakia. American Mineralogist, 93, 1, 63-73.
    • Košice Region
      • Rožňava Co.
        • Rožňava (Rosenau)
          • Čučma
    		Ozdin D., Volek M., Števko M., 2006: Study of hydrotermal veins with axinites from the Western Carpathians. Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.87
    • Prešov Region
      • Prešov Co.
    		Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
    Slovenia
     
    Dobnikar, M., Fioretti, A.M., Bellieni, G. and Dolenec, T. (2002): Goldschmidt Conference Abstracts 2002, A188
    South Africa
     
    • KwaZulu-Natal Province
    		Minerals of South Africa
    Spain
     
    • Catalonia
      • Tarragona
        • Conca de Barberà
          • Vimbodí
            • Poblet Monastery
    		C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
    C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
    C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595
    • Extremadura
      • Badajoz
        • Monesterio
    		Tornos, F., Galindo, C., Casquet, C., Pevida, L.R., Martínez, C., Martínez, E., Velasco, F., and Iriondo, A. (2006): Mineralium Deposita 41, 737-769.
    Sweden
     
    • Värmland
      • Filipstad
        • Persberg district
    		Östra Värmlands Mineral Society,Långban,Sweden
    Switzerland
     
    • Grischun (Grisons; Graubünden)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 263.
      • Engadin
        • Sils im Engadin
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 263.
    Tanzania
     
    • Dodoma Region
      • Kongwa
    		www.min.uni-kiel.de/petrographie/schenk/projekte/tansania/mautia/dmg_mautia.pdf.
    UK
     
    • Wales
      • Pembrokeshire (Dyfed)
    		Eur. J. Mineral. , 1993, 5, pp. 925-935.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283; Butler, B.S., et al (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92.
      • Greenlee Co.
        • Shannon Mts
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 349; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92.
      • La Paz Co.
    		Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92.
      • Pima Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283; Gilluly, J. (1937), Geology and ore deposits of the Ajo quadrangle, AZ, AZ Bur. of Mines Bull. 141; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 92.
        • Empire Mts
          • Empire District
            • Hilton (Lead Mountain)
              • Copper Camp
                • Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group)
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283.
      • Pinal Co.
        • Superior District
          • Superior
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 283; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 92.
    • California
      • San Benito Co.
        • Diablo Range
          • Coalinga area
    		Tsujimori, Tatsuki, Liou, Juhn G., and Coleman, Robert G., 2007, Finding of High-Grade Tectonic Blocks from the New Idria Serpentinite Body, Diablo Range, California: Petrologic Constraints on the Tectonic Evolution of a Tectonic Diapir, Geolgical Society of America Special Paperr 419, p. 67-80.
    • Colorado
      • Chaffee Co.
    		Minerals of Colorado (1997) Eckels, E. B.
      • Gunnison Co.
        • White Earth District (Powderhorn District)
    		Minerals of Colorado (1997) Eckels, E. B.
      • Routt Co.
    		Minerals of Colorado (1997) Eckels, E. B.
    • Georgia
      • Rabun Co.
    		American Mineralogist, Volume 72, pages 1086-1096, 1987
    • Maine
      • Cumberland Co.
        • Harpswell
    		www.maine.gov/doc/nrimc/mgs/explore/bedrock/b42/harpswell.htm
      • Oxford Co.
        • Newry
    		King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2
    • Massachusetts
      • Worcester Co.
        • Bolton
    		P Cristofono collection
        • Northborough
    		P Cristofono collection
    • Montana
      • Jefferson Co.
        • Boulder District
          • Boulder Batholith
            • Boulder Mts.
              • Sugarloaf Mtn.
    		USGS Bulletin 988-G(1953)
    • Nevada
      • Eureka Co.
    		Peter G. Vikre (1998) Intrusion-related, polymetallic carbonate replacement deposits in the Eureka district, Eureka County, Nevada. Nevada Bureau of Mines and Geology Bulletin 110
        • Lynn District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Betancourt, P.P. (The Picking Table, Vol. 27(2):2-10.
          • Ogdensburg
            • Sterling Hill
    		Dunn(1995):Pt3:455.
        • Sparta Township
    		No reference listed
    • New Mexico
      • Socorro Co.
    		[MinRec 20:61]; D.Court collection
    • New York
      • Orange Co.
        • Town of Warwick
    		Jan H. Bernard and Jaroslav Hyrsl,2004,Minerals and their Localities,pg #368
      • Putnam Co.
        • Philipstown Township
          • Anthony's Nose
    		Marian Lupulescu analyses, New York State Museum
      • Rockland Co.
        • Bear Mountain State Park
    		George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.; Rocks & Minerals 82:472-483
      • St. Lawrence Co.
    		Jan H. Bernard and Jaroslav Hyrsl,2004, Minerals and their Localities,pg # 368
    Jan H. Bernard and Jaroslav Hyrsl,2004, Minerals and their Localities,pg # 368
    • North Carolina
    		Stapor, Frank W.Jr and Flaisher, Chris, Mar, 2006, Altered Amphibolite Hypotheisis for the origin of Todd- type Chlorite Bodies in the Ashe Formation , North west North Carolina: Evidence from Amphibole Mineralogy and Pargentic Sequence
    Stapor, Frank W. Jr and Flaisher, Chris, Mar , 2006, Altered Amphibolite Hypotheisis for the origin of Todd- type Chlorite Bodies in the Ashe Formation, North west North Carolina : Evidence from Amphibole Mineralogy and Pargentic Sequence, Earth Sciences, Tennessee Technological University
      • Davie Co.
    		McSween,Jr,Harry Y.,Sando,Thomas W.,Clark,Stephan R.,Harden,James T.,and Strange,E.Allison (1984) The Gabbro-Metagabbro Association Of The Southern Appalachian Piedmont,America Journal Of Science,Vol.284,April/May,1984,p.437-461
      • Gaston Co.
        • Bessemer City
    		GSA Southeastern Section - 60th Annual Meeting (23–25 March 2011) Paper No. 1-58
      • Mecklenburg Co.
    		McSween Jr,Harry Y.,Sando,Thomas W.,Clark,Stephen R.,Harden,James T.,and Strange,E.Allison (1984) The Gabbro-MetaGabbro Association Of The Southern Appalachian Piedmont,American Journal Of Science,Vol.,284,April/May,1984,P.437-461
      • Rowan Co.
    		McSween,Jr,Harry Y.,Sando,Thomas W.,Clark,Stephan R.,Harden,James T and Strange,E.Allison (1984) The Gabbro-Metagabbro Association Of The Southern Appalachian Piedmont,American Journal Of Science, Vol.284,April/May,1984,p.437-461
    Stapor, Frank,W.Jr, and Flaisher,Chris, Mar, 2006, Altered Amphibolite Hypotheisis for the orgin of Todd - type Chlorite Bodies in the Ashe Formation Northwest North Carolina : Evidence from Amphibole Mineralogy and Pargentic Sequence, Earth Sciences, Tennessee Technological University
    Self Collected Bruce Osborne
    • Oregon
      • Klamath Co.
    		(Material previously labelled "magnesiohornblende" is now known to be fluoroedenite.)
    • Rhode Island
      • Providence Co.
        • Burrillville
          • Harrisville
    Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston
    Miller, C.E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston
    Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston
    No reference listed
    No reference listed
    Miller, C. E. (1971) Rhode Island Minerals and Their Locations, University of Rhode Island, Kingston
    AmMin 22:279
        • Lincoln
          • Lime Rock
    		Michael W. Kieron collection
    Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston
    Minerals Unlimited.com
    • Vermont
    		Rocks & Min. Vol. 71, (1996)
      • Orleans & Lamoille Cos.
        • Lowell & Eden
    		Levitan, Denise et al. (2009): Mineralogy of mine waste at the Vermont Asbestos Group mine, Belvidere Mountain, Vermont. American Mineralogist 94(7):1063-1066.
      • Orleans Co.
    		Rocks & Min. Vol. 71, (1996)
    Mineral and/or Locality
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