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Glaucophane

Big Photo

Sonoma Co., California, USA
© Karl Volkman04/05

Show Glaucophane Photos (19)
Formula:
[ ][Na
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Si
 
8
O
 
22
]
System:MonoclinicColour:Grey to lavender-blue.
Lustre:VitreousHardness:5 - 6
Name:From the Greek for "blue" and "to appear," in allusion to its color.


Amphibole Group. Sodic Clino-Amphibole Subgroup. Ferroglaucophane-Glaucophane Series.

Classification of Glaucophane

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/F.08-10
Nickel-Strunz 10th (pending) edition ID:9.DE.25

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Dana 8th edition ID:66.1.3c.1

66 : INOSILICATES Double-Width,Unbranched Chains,(W=2)
1 : Amphiboles - Mg-Fe-Mn-Li subgroup
Hey's CIM Ref.:16.20.1

16 : Silicates Containing Aluminum and other Metals
20 : Aluminosilicates of Fe, Mg and alkalis
mindat.org URL:http://www.mindat.org/min-1704.html
Please feel free to link to this page.

Type Occurrence of Glaucophane

Type Locality:Syros Island (Syra), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (Aiyaíon) Department, Greece
Year of Discovery:1845

Physical Properties of Glaucophane

Lustre:Vitreous
Colour:Grey to lavender-blue.
Streak:Pale grey to bluish-grey.
Hardness (Mohs):5 - 6

Crystallography of Glaucophane

Crystal System:Monoclinic
Cell Parameters:a = 9.59Å, b = 17.79Å, c = 5.3Å
β = 103.66°
Ratio:a:b:c = 0.539 : 1 : 0.298
Unit Cell Volume:V 878.64 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Glaucophane

Type:Biaxial (-)
RI values: nα = 1.606 - 1.637 nβ = 1.615 - 1.650 nγ = 1.627 - 1.655
2V:Measured: 10° to 80°, Calculated: 62° to 84°
Maximum Birefringence:δ = 0.021

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

Chemical Properties of Glaucophane

Formula:
[ ][Na
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Si
 
8
O
 
22
]
Essential elements:Al, H, Mg, Na, O, Si
All elements listed in formula:Al, H, Mg, Na, O, Si
Common Impurities:Li,Ti,Cr,Mn,Ca,K,F,Cl

Relationship of Glaucophane to other Species

Series:Forms a series with Ferroglaucophane (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
9.DE.05Anthophyllite
☐[Mg
 
2
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.05Cummingtonite
[ ][Mg
 
2
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.05Clinoferroholmquistite
[ ][Li
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.05Grunerite
[ ][Fe
2+
2
][Fe
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.05Manganocummingtonite
[ ][Mn
2+
2
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.05Manganogrunerite
[ ][Mn
2+
2
][Fe
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.05Permanganogrunerite
[ ][Mn
2+
2
][Mn
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.10Actinolite
☐Ca
 
2
(Mg,Fe
2+
 
)
 
5
(Si
 
8
O
 
22
)(OH)
 
2
9.DE.10Alumino-ferro-hornblende
Ca
 
2
Fe
 
4
Al
 
2
Si
 
7
O
 
22
(OH)
 
2
9.DE.10Alumino-magnesio-hornblende
Ca
 
2
Mg
 
4
Al
 
2
Si
 
7
O
 
22
(OH)
 
2
9.DE.10Aluminotschermakite
☐[Ca
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.10Ferritschermakite
☐[Ca
 
2
][Mg
 
3
Fe
3+
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.10Ferro-Actinolite
☐[Ca
 
2
][(Fe
2+
 
,Mg)
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.10Ferrohornblende
☐[Ca
 
2
][Fe
2+
4
Al][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.10Ferrotschermakite
☐[Ca
 
2
][Fe
2+
3
Fe
3+
 
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.10Joesmithite
[(Ca,Pb)][(Ca,Pb)
 
2
][(Mg,Fe
2+
 
)
 
5
][(OH)
 
2
|BeSi
 
7
O
 
22
]
9.DE.10Magnesiohornblende
☐[Ca
 
2
][Mg
 
4
Al][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.10Tremolite
☐[Ca
 
2
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.10Tschermakite
☐[Ca
 
2
][Mg
 
3
Fe
3+
 
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.10Ferri-Ferrotschermakite
9.DE.10Alumino-Ferrotschermakite
9.DE.10Cannilloite
[Ca][Ca
 
2
][Mg
 
4
Al][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
9.DE.10Fluor-cannilloite
[Ca][Ca
 
2
][Mg
 
4
Al][(F,OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
9.DE.10Parvo-manganotremolite
☐[CaMn
2+
 
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.10Fluorotremolite
☐[Ca
 
2
][Mg
 
5
][F
 
2
|Si
 
8
O
 
22
]
9.DE.15Edenite
Na[Ca
 
2
][Mg
 
5
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.15Ferro-edenite
[Na][Ca
 
2
][Fe
2+
5
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.15Ferrokaersutite
[Na][Ca
 
2
][Fe
2+
4
Ti][O|OH|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Ferropargasite
[Na][Ca
 
2
][Fe
2+
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Hastingsite
[Na][Ca
 
2
][Fe
2+
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Kaersutite
[Na][Ca
 
2
][Mg
 
4
Ti][O|OH|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Magnesiohastingsite
Na[Ca
 
2
][Mg
 
4
Fe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Magnesiosadanagaite
[Na][Ca
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
9.DE.15Pargasite
[Na][Ca
 
2
][Mg
 
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Sadanagaite
[Na][Ca
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
9.DE.15Fluoro-edenite
Na[Ca
 
2
][Mg
 
5
][(F,OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.15Potassic-Ferrisadanagaite
[K][Ca
 
2
][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
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][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.15Potassicsadanagaite
[K][Ca
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
3
Si
 
5
O
 
22
]
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
)(Fe
3+
2
Mg
 
3
)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
[Na][Ca
 
2
][Mg
 
4
Al][(F,OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
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+
 
][(OH)
 
2
|AlSi
 
7
O
 
22
]
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)][(OH)
 
2
|Si
 
8
O
 
22
]
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
Na[CaNa][Fe
2+
4
(Fe
3+
 
,Al)][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.20Alumino-ferrobarroisite
☐[CaNa][Fe
2+
3
Al
 
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.20Ferrobarroisite
☐[CaNa][Fe
2+
3
AlFe
3+
 
][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.20Ferrorichterite
Na[CaNa][Fe
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Ferrowinchite
☐[CaNa][Fe
2+
4
(Al,Fe
3+
 
)][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Katophorite
Na[CaNa][Fe
2+
4
(Al,Fe
3+
 
)][(OH)
 
2
|AlSi
 
7
O
 
22
]
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+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.20Richterite
Na[CaNa][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Taramite
Na[CaNa][Fe
2+
3
AlFe
3+
 
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.20Winchite
☐[CaNa][Mg
 
4
(Al,Fe
3+
 
)][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Alumino-Magnesiotaramite
Na[CaNa][Mg
 
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DE.20Fluororichterite
Na[CaNa][Mg
 
5
][(F,OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Magnesiokatophorite
Na[CaNa][Mg
 
4
(Al,Fe
3+
 
)][(OH)
 
2
|AlSi
 
7
O
 
22
]
9.DE.20Fluoro-potassicrichterite
K[CaNa][Mg
 
5
][(F,OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Potassicrichterite
K[CaNa][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Parvowinchite
☐[Mn
2+
 
Na][Mg
 
4
(Al,Fe
3+
 
)][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.20Ferriwinchite
☐[CaNa][Mg
 
4
(Fe
3+
 
,Al)][(OH)
 
2
|Si
 
8
O
 
22
]
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+
 
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Eckermannite
[Na][Na
 
2
][(Mg,Fe
2+
 
)
 
4
Al][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Ferro-eckermannite
[Na][Na
 
2
][(Fe
2+
 
,Mg)
 
4
Al][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Ferroglaucophane
[ ][Na
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Kornite
[(Na,K)][Na
 
2
][Mg
 
2
Mn
3+
2
Li][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Kôzulite
[Na][Na
 
2
][Mn
2+
4
(Fe
3+
 
,Al)][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Leakeite
[Na][Na
 
2
][Mg
 
2
Fe
3+
2
Li][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Magnesioriebeckite
[ ][Na
 
2
][Mg
 
3
Fe
3+
2
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Magnesio-arfvedsonite
[Na][Na
 
2
][Mg
 
4
Fe
3+
 
][(OH)
 
2
|Si
 
8
O
 
22
]
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
][(OH)
 
2
|Si
 
8
O
 
22
]
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
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Ferric-nyboite
9.DE.25Ferroleakeite
[Na][Na
 
2
][Fe
2+
2
Fe
3+
2
Li][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Ferronyböite
[Na][Na
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|AlSi
 
7
O
 
22
]
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
[(☐,Na)][(Li,☐)
 
2
][Fe
2+
3
Fe
3+
2
][(OH)
 
2
|Si
 
8
O
 
22
]
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][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Potassicleakeite
[K][Na
 
2
][Mg
 
2
Fe
3+
2
Li][(OH)
 
2
|Si
 
8
O
 
22
]
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+
 
][(OH)
 
2
|Si
 
8
O
 
22
]
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][(OH)
 
2
|Si
 
8
O
 
22
]
9.DE.25Potassic-magnesio-arfvedsonite
[K][Na
 
2
][Mg
 
4
Fe
3+
 
][(OH)
 
2
|Si
 
8
O
 
22
]
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
Related Minerals - Hey's Index Grouping:

- +
16.20.2Sodium-anthophyllite
16.20.3Sodium Gedrite
16.20.4Crossite
16.20.5Ferro-eckermannite
[Na][Na
 
2
][(Fe
2+
 
,Mg)
 
4
Al][(OH)
 
2
|Si
 
8
O
 
22
]
16.20.6Wonesite
(Na,K)(Mg,fe,Al)
 
6
(Al,Si)
 
8
O
 
20
(OH,F)
 
4
16.20.8Lennilenapeite
K
 
6-7
(Mg,Mn,Fe,Zn)
 
48
(Si,Al)
 
72
(O,OH)
 
216
·16H
 
2
O
16.20.9Stilpnomelane
K(Fe
2+
 
,Mg,Fe
3+
 
)
 
8
(Si,Al)
 
12
(O,OH)
 
27
16.20.10Glauconite
K
 
0.08
R
1
1.33
 R
2
0.67
 [][Al
 
0.13
Si
 
3.87
O
 
10
](OH)
 
2

Other Names for Glaucophane

Synonyms:
AntiglaucophaneGastaldite
Other Languages:
Dutch:Glaucofaan
Finnish:Glaukofaani
French:Glaucophane
German:Glaukophan
Antiglaukophan
Gastaldit
Hebrew:גלאוקופן
Hungarian:Glaukofán
Italian:Glaucofane
Japanese:藍閃石
Lithuanian:Glaukofanas
Polish:Glaukofan
Portuguese:Glaucofânio
Russian:Глаукофан
Serbian (Cyrillic Script):Глаукофан
Spanish:Glaucofana
Gastaldita
Ukrainian:Глаукофан
Varieties:
Li-rich Glaucophane

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 Glaucophane

Reference List:Ernst, W.G. (1963), Petrogenesis of glaucophane schists: Jour. Petrology: 4: 1-30.

Borg, Iris Y. (1967), Optical properties and cell parameters in the glaucophane-riebeckite series: Contrib. Mineral. Petr.: 15: 67-92.

Papike, J.J. and Clark, J.R. (1968a) Cation distribution in the crystal structure of glaucophane; II: the high pressure polymorph. Geological Society of America Abstract, 1966: 157.

Papike, J.J. and Clark, J.R. (1968b) The crystal structure and cation distribution of glaucophane. American Mineralogist: 53: 1156-1173.

Mineralogical Record: 29: 169-174.

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

Internet Links for Glaucophane

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    Localities for Glaucophane

    Hide Locality List
    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.
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    (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.
    Antarctica
    AmMin 36:361-367
    AmMin 36:361-367
    Australia
     
    • New South Wales
      • Macquarie Co.
        • Port Macquarie
    		Mineralogical Magazine, August 2003, V. 67, N° 4, pp. 609-624.
    • South Australia
      • Flinders Ranges
        • South Flinders Ranges
          • Bunkers Range
            • Oraparinna homestead
    • Tasmania
    		Bottrill, R. S.; 2001, Glaucophane and phengite bearing amphibolite, Port Sorell: mineral composition and petrology. Mineral resources Tasmania., Record 2001/13
    • Victoria
      • Gippsland
        • Hoddle Range
          • Fish Creek
    		No reference listed
    Geol. Soc. of Australia Abstr. 53:248-249 (Feb, 1999)
    Austria
     
    • Carinthia
      • Hohe Tauern Mts
        • Glockner group
          • Fuscher-Kar-Kopf Mt.
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
          • Hochtor area
        • Heiligenblut
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
      • Villach
        • St Andrä
          • Landskron castle
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Salzburg
      • Golling
        • Grabenbach area
    		A. Strasser: Die Minerale Salzburgs (1989)
      • Hohe Tauern Mts
        • Rauris valley
          • Seidlwinkl valley
            • Hochtor area
    		A. Strasser: Die Minerale Salzburgs (1989)
    Burma (Myanmar)
     
    • Kachin State
      • Myitkyina-Mogaung District
    		C. Mével and J.R. Kiénast, Bull. Minéral. , 109, 6, 1986, pp. 617-633.
    China
     
    • Anhui Province
      • Lu'an Prefecture
        • Huoshan Co.
          • Zhujiachong
    		Castelli, D., Rolfo, F., Compagnoni, R., and Shutong Xu (1998): Island Arc 7 (1-2), 159–173.
    • Gansu (Ganzu) Province
      • Zhangye Prefecture
        • Sunan Co.
          • Nine Springs area
    		Qian-Jie Wang, Li-Fei Zhang, and Shu-Guang Song (2007): Earth Science Frontiers [Dixue Qian Yuan] 14(1), 157-171.
    • Henan Province
      • Nanyang Prefecture
        • Tongbai Co.
          • Tongbai
    		Chinho Tsai, Hanwen Zhou, and Yoshiyuki Iizuka (2007): Goldschmidt Conference Abstracts 2007, A 1039.
      • Xinyang Prefecture
        • Xin Co.
    		Ruyuan Zhang and Liou, J.G. (1994): European Journal of Mineralogy 6(2), 217-233.
    • Inner Mongolia Autonomous Region
      • Xilin Gol (Xilinguole) League
        • Erenhot (Erlianhaote) Co.
          • Wenduermiao Fe deposit
    		http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt
    • Jiangxi Province
      • Shangrao Prefecture
        • Dexing Co.
    		Zhou Guoqing (1997): Science in China, Series D (Earth Sciences), 40(5), 477-484.
    • Qinghai (Chinghai) Province
      • Haibei Autonomous Prefecture
        • Qilian Co.
          • North Qilian Metamorphic Belt
    		Song Shuguang, Zhang Lifei, Niu Yaoling, Song Biao, Zhang Guibing, and Wang Qianjie (2004): Chinese Science Bulletin 49(8), 848-852.
    Yong-Jiang Liu, Neubauer, F., Genser, J., Akira Takasu, Xiao-Hong Ge, and Handler, R. (2006): Island Arc 15 (1), 187–198.
    Song Shuguang, Zhang Lifei, Niu Yaoling, Song Biao, Zhang Guibing, and Wang Qianjie (2004): Chinese Science Bulletin 49(8), 848-852.
    • Tibet Autonomous Region
      • Nagchu (Naqu) Prefecture
        • Qiangtang metamorphic belt
    		Kapp, P., Yin, A., Manning, C.E., Murphy, M., Harrison, T.M., Spurlin, M., Lin, D., Xiguang, D., and Cunming, W. (2000): Geology 28(1), 19-22.
    Li Cai, Zhai Qingguo, Dong Yongsheng, and Huang Xiaopeng (2006): Chinese Science Bulletin 51(9), 1095-1100.
    Xia, B.D., Li, C., Ye, H.F., Kapp, P., Yin, A., and Manning, C.E. (2001): Geology 28(6), 663-664.
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Yili Hasake (Ili Kazakh) Autonomous Prefecture
    		Wei Lin and Masaki Enami (2006): Island Arc 15(4), 483-502.
        • Aletai (Altay) Prefecture
          • Fuyun Co.
    		http://wrgis.wr.usgs.gov/open-file/of03-220/DATABASE/lode_deposits.txt
        • Zhaosu Co.
    		Lifei Zhang, Jun Gao, Ekebair, S., and Zongxiu Wang (2001): Science in China, Series D (Earth Sciences), 44(1), 85-96.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • 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.
    Ecuador
     
    • El Oro Province
    		 "HP terranes exhumation in an active margin setting" , Doctorate Thesis, Piercarlo Gabriele, 22 novembre 2002 , Université de Lausanne, http://www.unil.ch/gse/page9506_fr.html
    Finland
     
    • Etelä-Suomen Lääni
      • Southern Karelia
        • Wiborg
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
    France
     
    • Brittany
      • Finistère
        • Fouesnant
    		Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1).
      • Morbihan
        • Auray
          • La Trinité-sur-Mer
    		Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 30.
        • Groix
          • Groix Island
    		Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
    "Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
    Inventaire Minéralogique de la France numero 9 Morbihan ( éditions BRGM )
    Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
    Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
    Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 37.
        • le Palais
          • Belle-Ile
            • Samzun
    		Chauris L. (1987), Composition minéralogique et origine des placers littoraux dans quatre îles du Morbihan, Géologie de la France, (1), p. 57.
        • Lorient
          • Guidel
            • Guidel-Plages
    		Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
    Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
            • Le Fort-Bloqué
    		Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
          • Larmor-Plage
    		Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
          • Port-Louis
    		Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), PP. 38-41.
        • Penestin
    		Les minéraux, leurs gisements, leurs associations par P. Bariand, F. Cesbron et J. Geffroy (1977), Editions minéraux et Fossiles, BRGM
        • Quiberon peninsula
          • Quiberon
    		Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 30.
    Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 30.
    Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 30.
          • Saint-Pierre-Quiberon
    		Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 30.
    Chauris L. (1982), Les sables lourds des plages du Mor Bras – Introduction à l’étude des placers littoraux en Bretagne Méridionale, Bull. Soc. Sc.nat.Ouest de la France, nouvelle série, tome 4, (1), p. 30.
            • Portivy
    		Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
    Chauris L. (1988), Les sables noirs à magnétite de l’anse du Pouldu en Bretagne Méridionale, Géologie de la France, (4), p. 29.
    • Corsica
      • Haute-Corse
        • Bastia
          • Canari
    		H. Azais, J. Bouladon, P. Picot, P. Sainfeld : "Le Problème du Nickel dans les Serpentines de Corse", 1968, Bulletin du BRGM
        • Corte
          • Venaco
    		"Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
    • Provence-Alpes-Côte d'Azur
      • Bouches-du-Rhône
        • Sainte-Maries-de-la-Mer
          • le Grau-du-Roi
    		Chauris L. (1991), Sables lourds à monazite sur les plages de Plouguerneau (Pays de Léon, Massif Armoricain, France), Bulletin de la Société Linnéenne de Normandie, Vol 114 – 115, p. 107.
    Chauris L. (1991), Sables lourds à monazite sur les plages de Plouguerneau (Pays de Léon, Massif Armoricain, France), Bulletin de la Société Linnéenne de Normandie, Vol 114 – 115, p. 107.
      • Hautes-Alpes
        • Briançon
          • Abries
            • Monviso (Monte Viso)
    		P. Nisio and J.M. Lardeaux, Bull. Minéral. , 1987, 110, pp. 427-437.
        • Saint-Véran
    		R. Pierrot, P. Picot, P.A. Poulain, "Inventaire Minéralogique de la France : Hautes-Alpes", BRGM, 1972
    Germany
     
    • Baden-Württemberg
      • Black Forest
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Kykládes Prefecture
        • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
    		No reference listed
          • Sifnos Island
    		Eur. J. Mineral. , 1992, 4, pp. 619-634.
          • Sikinos Island
    		L. Rantos collection
    EJM 4 (1992), 171
    • Peloponnese (Peloponnisos) Department
      • Lakonia (Laconia) Prefecture
    		Eur. J. Mineral. , 1991, 3, pp. 343-366.
    • South Aegean Department
      • Dodekánisos (Dodekánissa) Prefecture
        • Dodecanese Islands
          • Arki (Arkioi) Island
    		Eur. J. Mineral. , 1992, 4, pp. 527-537.
    • Sterea Hellas Department
      • Évvoia Prefecture
    		No reference listed
    Italy
     
    No reference listed
      • Champdepraz
    		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.
      • Lys Valley
    		Ch. Robert et al. , Bull. Minéral. , 1985, 108, pp. 699-711.
      • Nus
        • Saint-Barthélemy
    		• Barresi, A.A., Kolitsch, U., Ciriotti, M.E., Ambrino, P., Bracco, R., Bonacina, E. (2005): La miniera di manganese di Varenche (Aosta, Italia nord-occidentale): ardennite, arseniopleite, manganberzeliite, pirofanite, sarkinite, thortveitite, nuovo As-Sc-analogo della metavariscite e altre specie. Micro (località), 2/2005, 81-122.
      • Pont-Saint-Martin
    		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.
      • Saint-Marcel
    		Del Caldo A.,Moro C.,Gramaccioli C.M.,Boscardin M.-Guida ai Minerali-Fratelli Fabbri Editori (1973)
    • Liguria
      • Genova Province
        • Genova
    		Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
    Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
            • Vara Valley
        • Tiglieto
    		Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
      • Savona Province
        • Albisola
    		Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
    Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
    • Piedmont
      • Biella Province
    		Boscardin, M. & Orlandi, P. (1984): Fengite e glaucofane di Oropa (Biellese). Rivista Mineralogica Italiana, 8(3), 103-106.; 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, 607 pag.
        • Pollone
          • Chiavolino
    		Boscardin, M. & Orlandi, P. (1984): Fengite e glaucofane di Oropa (Biellese). Rivista Mineralogica Italiana, 8(3), 103-106.; 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, 607 pag.
      • Cuneo Province
        • Varaita Valley
          • Bellino
    		R. Lefèvre and A. Michard, Bull. Soc. Franç. Minér. Crist., 1965, LXXXVIII, pp. 664-677.
      • Torino Province
        • Canavese District
          • Quincinetto
    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.
        • Chisone Valley
          • Pragelato
    		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.
        • Germanasca Valley
          • Prali
            • Miniere Valley
    		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.
        • Orco Valley
    		Ch. Robert et al. , Bull. Minéral. , 1985, 108, pp. 699-711.
        • Sesia-Lanzo zone
          • Lanzo Valley
            • Lanzo Massif
              • Balangero - Corio area
                • Malone Valley
    		Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral (1989): 1: 89-104.
                  • Rocca Canavese
    		Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral (1989): 1: 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
    Eur. J. Mineral. , 1989, 1, pp. 89-104.
        • Susa Valley
          • Oulx
    		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.
    • Tuscany
      • Livorno Province
        • Livorno
    		Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
    Jamaica
     
    • Saint Thomas Parish
      • Union Hill
    		International Geology Review, V. 45, N. 1, 1st Jan. 2003, pp. 1-15.
    Japan
     
    • Hokkaido Island
      • Hidaka Province
        • Biratori
    		H. Okada (1964) Memoirs of the Faculty of Science, Kyushu University, Series D, Geology, 15, #1, 23-38.
      • Sorachi Province
    		Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan)
    • Kyushu Island
      • Kumamoto Prefecture
        • Yatsushiro City
    		Saito, M. & Miyazaki, K. (2006) Bulletin of the Geological Survey of Japan, 57, #5-6.
    • Nansei Archipelago
      • Okinawa Prefecture
    		Hashimoto, M. (1974); Mem. Natn. Sci. Mus., Tokyo, 7:19-24
    Hashimoto, M. (1974) Memoirs of the National Science Museum, 7, 19-24.
    • Shikoku Island
      • Ehime Prefecture
        • Niihama
    		Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
      • Kochi Prefecture
        • Kochi City
          • Rendai
    		Mineralogical Journal Vol. 13 (1986) , No. 6 pp368-375
      • Tokushima Prefecture
    		Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan)
        • Oe-gun
          • Yamakawa
    		Dr. Yohachiro Okamoto collection (curated at Geological Survey museum, Japan)
    Madagascar
     
    • Fianarantsoa Province
      • Amoron'i Mania Region
        • Ambatofinandrahana Department
          • Imorona valley
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 290.
    New Caledonia
     
    • Northern Province
      • Diahot River
    		Dana 6:399,926.
    Norway
     
    • Svalbard
      • Spitsbergen
        • Oscar II land
    		MINERALOGICAL MAGAZINE, JUNE 1984, VOL. 48, PP. 30l-3
    Oman
     
    Jour.Met.Geo 19:233–248 (2001)
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
    		www.koeln.netsurf.de/~w.steffens/lovo.htm
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
        • Medzev
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
        • Vyšná Slaná
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
      • Slovenský kras Mts
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
    Sweden
     
    • Småland
      • Jönköping
        • Gränna
    		No reference listed
    Switzerland
     
    • Wallis (Valais)
      • Zermatt - Saas Fee area
        • Matt Valley
    		Christian Bracke Collection
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 187.
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 63-64
        • Saas Valley
          • Saas Almagell
            • Allalin area
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 63-64
    Turkey
     
    • Aegean Region
      • Kütahya Province
    		Econ Geol (1989)84:780-787
        • Tavşanlı Zone
    		Okay, A.I. (1981): Contributions to Mineralogy and Petrology 75(3), 179-186.
    • Central Anatolia Region
      • Eskisehir Province
        • Tavşanlı Zone
    		Davis, P.B., and Whitney, D.L. (2006): Journal of Metamorphic Geology 24(9), 823-849.
    • Marmara Region
      • Balikesir Province
    		Turkish J. Earth Sci. 9:47-56 (2000)
          • Bayramiç
    		Turkish Journal of Earth Sciences, Vol. 9, 2000, pp. 47-56.
      • Bursa Province
        • Tavşanlı Zone
    		Okay, A.I. (2002): Journal of Metamorphic Geology 20, 757-768.
      • Tekirdag Province
        • Şarköy
    		Şentürk, K., and Okay, A. (1981-82): Bulletin of the Mineral Research and Exploration Institute of Turkey, Foreign Edition, 97-98, 72-75.
    USA
     
    • California
      • Marin Co.
        • Tiburon Peninsula
    		Amer.Min.(1969) 54, 1139-1150
    Harvard Museum of Natural History specimen no. 101825
      • Mendocino Co.
        • Laytonville
      • San Benito Co.
        • New Idria District
    		T. Tsujimori et al., Paper N° 21-6, The Geological Society of America, Joint Meeting Cordilleran Section and Pacific Section, 101st Annual Meeting, 29 April-1 May 2005, San Jose, California.
    No reference listed
        • Panoche Valley
    		www.mineralsocal.org
      • Santa Clara Co.
        • Diablo Range
      • Sonoma Co.
        • Cazadero
    		www.minsocam.org/msa/Handbook/Winchite.PDF.
    http://gsa.confex.com/gsa/2004AM/finalprogram/abstract_78888.htm
        • Jenner
    		http://geology.about.com/library/bl/images/bleclogite.htm
    Minerals of California - Pemberton
    • Colorado
      • Chaffee Co.
        • Sedalia District
    		Minerals of Colorado (1997) Eckels, E. B.
    • Idaho
      • Lemhi Co.
        • Indian Creek District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Massachusetts
      • Essex Co.
    		Gleba, 1978. Massachusetts Mineral & Fossil Localities
    Emerson, B.K. Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.197-198.
    • New York
      • Orange Co.
        • Monroe Township
          • Lake Mombasha
    		The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 85; New York State Museum Bull. Nos. 249-250 (Sep-Oct 1921), Magnetic Iron Deposits of SE NY, Clarke, John M.: 109.
    • South Dakota
      • Pennington Co.
        • Keystone District
          • Keystone
    		R&M 75:3 pp 156-169
    • Vermont
    		Rocks & Min. Vol. 71, (1996)
      • Orleans Co.
    		Rocks & Min. Vol. 71, (1996)
    Rocks & Min. Vol. 71, (1996)
    • Washington
      • Jefferson Co.
        • Mount Claywood
    		 Minerals of Washington, Bart Cannon 1975
      • Kittitas Co.
        • Mineral Creek
    		Minerals of Washington, B. Cannon, 1975
      • Pend Oreille Co.
        • Metaline District
          • Metaline
    		 Minerals of Washington, Bart Cannon 1975
      • Skagit Co.
        • Hamilton
    		Minerals of Washington, Bart Cannon, 1975
    Mineral and/or Locality
    Google
     
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