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Margarite

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Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA
© Rob Lavinsky

Show Margarite Photos (34)



Formula:
CaAl
 
2
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
System:MonoclinicHardness:4
Member of:Mica Group


Mica Group.

Hintze (Vol. 2, 1897) gives Sterzing (Vipiteno), South Tyrol as the TL of margarite and refers to Mohs (1820). In fact, Mohs described the mineral, but did not provide an analysis. Therefore, according to von Zepharovich (1873), Greiner Mt. has to be regarded as the TL, based on the data provided by Senger.

Classification of Margarite

IMA status:Approved
Strunz 8th edition ID:8/H.12-40
Nickel-Strunz 10th (pending) edition ID:9.EC.30

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
Dana 8th edition ID:71.2.2c.1

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers
Hey's CIM Ref.:16.9.13

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca
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Type Occurrence of Margarite

Type Locality:Großer Greiner, Zemmgrund, Ziller valley, North Tyrol, Tyrol, Austria
Year of Discovery:1820

Physical Properties of Margarite

Hardness (Mohs):4

Crystallography of Margarite

Crystal System:Monoclinic
Cell Parameters:a = 5.11Å, b = 8.79Å, c = 19.15Å
β = 95.15°
Ratio:a:b:c = 0.581 : 1 : 2.179
Unit Cell Volume:V 856.69 ų (Calculated from Unit Cell)

Optical Data of Margarite

Type:Biaxial (-)
RI values: nα = 1.595 - 1.638 nβ = 1.625 - 1.648 nγ = 1.627 - 1.650
2V:Measured: 26° to 67°, Calculated: 28° to 46°
Maximum Birefringence:δ = 0.032

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

Chemical Properties of Margarite

Formula:
CaAl
 
2
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
Essential elements:Al, Ca, H, O, Si
All elements listed in formula:Al, Ca, H, O, Si
Common Impurities:Na,Mg,Cr,Li,Mn,Fe,K,Ba,Sr,H2O

Relationship of Margarite to other Species

Member of:Mica Group
Other Members of Group:

- +
Aluminoceladonite
K(Mg,Fe
2+
 
)Al(Si
 
4
O
 
10
)(OH)
 
2
Anandite
(Ba,K)(Fe
2+
 
,Mg)
 
3
((Si,Al,Fe)
 
4
O
 
10
)(S,OH)
 
2
Aspidolite
NaMg
 
3
(AlSi
 
3
O
 
10
)(OH)
 
2
Biotite
Bityite
LiCaAl
 
2
(AlBeSi
 
2
O
 
10
)(OH)
 
2
Boromuscovite
KAl
 
2
(BSi
 
3
O
 
10
)(OH)
 
2
Celadonite
K(Mg,Fe
2+
 
)Fe
3+
 
(Si
 
4
O
 
10
)(OH)
 
2
Chernykhite
(Ba,Na)(V
3+
 
,Al,Mg)
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2
Chromceladonite
K(Mg,Fe
2+
 
)(Cr,Al)(Si
 
4
O
 
10
)(OH)
 
2
Chromphyllite
K(Cr,Al)
 
2
(AlSi
 
3
O
 
10
)(OH,F)
 
2
Clintonite
Ca(Mg,Al)
 
3
(Al
 
3
SiO
 
10
)(OH)
 
2
Ephesite
LiNaAl
 
2
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
Ferro-aluminoceladonite
K(Fe
2+
 
,Mg)(Al,Fe
3+
 
)(Si
 
4
O
 
10
)(OH)
 
2
Ferroceladonite
K(Fe
2+
 
,Mg)(Fe
3+
 
,Al)(Si
 
4
O
 
10
)(OH)
 
2
Ferrokinoshitalite
(Ba,K)(Fe
2+
 
,Mg)
 
3
(Al
 
2
Si
 
2
O
 
10
)(OH,F)
 
2
Ganterite
(Ba,Na,K)(Al,Mg)
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
Glauconite
(K,Na)(Fe
3+
 
,Al,Mg)
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2
Hendricksite
K(Zn,Mg,Mn
2+
 
)
 
3
(AlSi
 
3
O
 
10
)(OH)
 
2
Illite
K
 
0.65
Al
 
2.0
[ ][Al
 
0.65
Si
 
3.35
O
 
10
](OH)
 
2
Kinoshitalite
(Ba,K)(Mg,Mn
2+
 
,Al)
 
3
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
Lepidolite
Luanshiweiite-2M1
KLiAl
 
1.5
(Si
 
3.5
Al
 
0.5
)O
 
10
(OH)
 
2
Masutomilite
(K,Rb)(Li,Mn
3+
 
,Al)
 
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
Montdorite
(K,Na)
 
2
(Fe
2+
 
,Mn
2+
 
,Mg)
 
5
(Si
 
4
O
 
10
)
 
2
(OH,F)
 
4
Muscovite
KAl
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
Nanpingite
CsAl
 
2
(AlSi
 
3
O
 
10
)(OH,F)
 
2
Norrishite
KLiMn
3+
2
(Si
 
4
O
 
10
)O
 
2
Oxykinoshitalite
(Ba,K)(Mg,Ti,Fe
3+
 
,Fe
2+
 
)
 
3
((Si,Al)
 
4
O
 
10
)(O,OH,F)
 
2
Oxyphlogopite
K(Mg,Ti,Fe)
 
3
[(Si,Al)
 
4
O
 
10
](O,F)
 
2
Phengite
Phlogopite
KMg
 
3
(AlSi
 
3
O
 
10
)(OH,F)
 
2
Polylithionite
KLi
 
2
Al(Si
 
4
O
 
10
)(F,OH)
 
2
Preiswerkite
NaMg
 
2
Al(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
Roscoelite
K(V
3+
 
,Al)
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
Shirokshinite
KNaMg
 
2
(Si
 
4
O
 
10
)F
 
2
Shirozulite
K(Mn
2+
 
,Mg)
 
3
(AlSi
 
3
O
 
10
)(OH)
 
2
Siderophyllite
KFe
2+
2
Al(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
Sokolovaite
CsLi
 
2
Al(Si
 
4
O
 
10
)F
 
2
Suhailite
(NH
 
4
)Fe
2+
3
(AlSi
 
3
O
 
10
)(OH)
 
2
Tainiolite
KLiMg
 
2
(Si
 
4
O
 
10
)F
 
2
Tetraferriphlogopite
KMg
 
3
(Fe
3+
 
Si
 
3
O
 
10
)(OH,F)
 
2
Tobelite
(NH
 
4
,K)Al
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
Trilithionite
K(Li,Al)
 
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
Voloshinite
Rb(LiAl
 
1.5
□
 
1.5
)(Al
 
0.5
Si
 
3.5
)O
 
10
F
 
2
Yangzhumingite
KMg
 
2.5
(Si
 
4
O
 
10
)F
 
2
Zinnwaldite
KLiFe
2+
 
Al(AlSi
 
3
O
 
10
)(F,OH)
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
9.EC.05Minnesotaite
(Fe,Mg)
 
3
(Si
 
4
O
 
10
)(OH)
 
2
9.EC.05Talc
Mg
 
3
(Si
 
4
O
 
10
)(OH)
 
2
9.EC.05Willemseite
(Ni,Mg)
 
3
(Si
 
4
O
 
10
)(OH)
 
2
9.EC.10Ferripyrophyllite
Fe
3+
2
(Si
 
4
O
 
10
)(OH)
 
2
9.EC.10Pyrophyllite
Al
 
2
(Si
 
4
O
 
10
)(OH)
 
2
9.EC.15Boromuscovite
KAl
 
2
(BSi
 
3
O
 
10
)(OH)
 
2
9.EC.15Celadonite
K(Mg,Fe
2+
 
)Fe
3+
 
(Si
 
4
O
 
10
)(OH)
 
2
9.EC.15Chernykhite
(Ba,Na)(V
3+
 
,Al,Mg)
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2
9.EC.15Montdorite
(K,Na)
 
2
(Fe
2+
 
,Mn
2+
 
,Mg)
 
5
(Si
 
4
O
 
10
)
 
2
(OH,F)
 
4
9.EC.15Muscovite
KAl
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.15Nanpingite
CsAl
 
2
(AlSi
 
3
O
 
10
)(OH,F)
 
2
9.EC.15Paragonite
NaAl
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.15Roscoelite
K(V
3+
 
,Al)
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.15Tobelite
(NH
 
4
,K)Al
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.15Aluminoceladonite
K(Mg,Fe
2+
 
)Al(Si
 
4
O
 
10
)(OH)
 
2
9.EC.15Chromphyllite
K(Cr,Al)
 
2
(AlSi
 
3
O
 
10
)(OH,F)
 
2
9.EC.15Ferro-aluminoceladonite
K(Fe
2+
 
,Mg)(Al,Fe
3+
 
)(Si
 
4
O
 
10
)(OH)
 
2
9.EC.15Ferroceladonite
K(Fe
2+
 
,Mg)(Fe
3+
 
,Al)(Si
 
4
O
 
10
)(OH)
 
2
9.EC.15Chromceladonite
K(Mg,Fe
2+
 
)(Cr,Al)(Si
 
4
O
 
10
)(OH)
 
2
9.EC.15Tainiolite
KLiMg
 
2
(Si
 
4
O
 
10
)F
 
2
9.EC.15Ganterite
(Ba,Na,K)(Al,Mg)
 
2
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.20Annite
KFe
2+
3
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.20Ephesite
LiNaAl
 
2
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
9.EC.20Hendricksite
K(Zn,Mg,Mn
2+
 
)
 
3
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.20Masutomilite
(K,Rb)(Li,Mn
3+
 
,Al)
 
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
9.EC.20Norrishite
KLiMn
3+
2
(Si
 
4
O
 
10
)O
 
2
9.EC.20Phlogopite
KMg
 
3
(AlSi
 
3
O
 
10
)(OH,F)
 
2
9.EC.20Polylithionite
KLi
 
2
Al(Si
 
4
O
 
10
)(F,OH)
 
2
9.EC.20Preiswerkite
NaMg
 
2
Al(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
9.EC.20Siderophyllite
KFe
2+
2
Al(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
9.EC.20Tetraferriphlogopite
KMg
 
3
(Fe
3+
 
Si
 
3
O
 
10
)(OH,F)
 
2
9.EC.20Fluorotetraferriphlogopite
KMg
 
3
(Fe
3+
 
Si
 
3
O
 
10
)F
 
2
9.EC.20Wonesite
(Na,K)(Mg,Fe,Al)
 
6
((Al,Si)
 
4
O
 
10
)
 
2
(OH,F)
 
4
9.EC.20Eastonite
KMg
 
2
Al(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
9.EC.20Tetraferriannite
KFe
2+
3
((Fe
3+
 
,Al)Si
 
3
O
 
10
)(OH)
 
2
9.EC.20Trilithionite
K(Li,Al)
 
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
9.EC.20Fluorannite
KFe
2+
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
9.EC.20Shirokshinite
KNaMg
 
2
(Si
 
4
O
 
10
)F
 
2
9.EC.20Shirozulite
K(Mn
2+
 
,Mg)
 
3
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.20Sokolovaite
CsLi
 
2
Al(Si
 
4
O
 
10
)F
 
2
9.EC.20Aspidolite
NaMg
 
3
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.20Fluorophlogopite
KMg
 
3
(AlSi
 
3
O
 
10
)(F,OH)
 
2
9.EC.20UM2004-49-SiO:AlCsFHKLi
(Cs,K)(Al,Li)
 
2.6
((Si,Al)
 
4
O
 
10
)(F,OH)
 
2
9.EC.20Suhailite
(NH
 
4
)Fe
2+
3
(AlSi
 
3
O
 
10
)(OH)
 
2
9.EC.20Yangzhumingite
KMg
 
2.5
(Si
 
4
O
 
10
)F
 
2
9.EC.20IMA2009-006
KLi
 
2
Ti(Si
 
4
O
 
10
)OF
9.EC.20Oxyphlogopite
K(Mg,Ti,Fe)
 
3
[(Si,Al)
 
4
O
 
10
](O,F)
 
2
9.EC.25Brammallite
(Na,H
 
3
O)(Al,Mg,Fe)
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2
9.EC.35Anandite
(Ba,K)(Fe
2+
 
,Mg)
 
3
((Si,Al,Fe)
 
4
O
 
10
)(S,OH)
 
2
9.EC.35Bityite
LiCaAl
 
2
(AlBeSi
 
2
O
 
10
)(OH)
 
2
9.EC.35Clintonite
Ca(Mg,Al)
 
3
(Al
 
3
SiO
 
10
)(OH)
 
2
9.EC.35Kinoshitalite
(Ba,K)(Mg,Mn
2+
 
,Al)
 
3
(Al
 
2
Si
 
2
O
 
10
)(OH)
 
2
9.EC.35Ferrokinoshitalite
(Ba,K)(Fe
2+
 
,Mg)
 
3
(Al
 
2
Si
 
2
O
 
10
)(OH,F)
 
2
9.EC.35Oxykinoshitalite
(Ba,K)(Mg,Ti,Fe
3+
 
,Fe
2+
 
)
 
3
((Si,Al)
 
4
O
 
10
)(O,OH,F)
 
2
9.EC.35Fluorokinoshitalite
BaMg
 
3
(Al
 
2
Si
 
2
O
 
10
)F
 
2
9.EC.40Beidellite
(Na,Ca
 
0.5
)
 
0.3
Al
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2
 · nH
 
2
O
9.EC.40Kurumsakite
(Zn,Ni,Cu)
 
8
Al
 
8
V
5+
2
Si
 
5
O
 
35
 · 27H
 
2
O (?)
9.EC.40Montmorillonite
(Na,Ca)
 
0.33
(Al,Mg)
 
2
(Si
 
4
O
 
10
)(OH)
 
2
 · nH
 
2
O
9.EC.40Nontronite
Na
 
0.3
Fe
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2
 · nH
 
2
O
9.EC.40Volkonskoite
Ca
 
0.3
(Cr,Mg,Fe)
 
2
((Si,Al)
 
4
O
 
10
)(OH)
 
2
 · 4H
 
2
O
9.EC.40Yakhontovite
(Ca,Na)
 
0.5
(Cu,Fe,Mg)
 
2
(Si
 
4
O
 
10
)(OH)
 
2
 · 3H
 
2
O
9.EC.45Hectorite
Na
 
0.3
(Mg,Li)
 
3
(Si
 
4
O
 
10
)(F,OH)
 
2
9.EC.45Saponite
Ca
 
0.25
(Mg,Fe)
 
3
((Si,Al)
 
4
O
 
10
)(OH)
 
2
 · nH
 
2
O
9.EC.45Sauconite
Na
 
0.3
Zn
 
3
((Si,Al)
 
4
O
 
10
)(OH)
 
2
 · 4H
 
2
O
9.EC.45Spadaite
MgSiO
 
2
(OH)
 
2
 · H
 
2
O (?)
9.EC.45Stevensite
(Ca,Na)
 
x
Mg
 
3-x
(Si
 
4
O
 
10
)(OH)
 
2
9.EC.45Swinefordite
Li(Al,Li,Mg)
 
4
((Si,Al)
 
4
O
 
10
)
 
2
(OH,F)
 
4
 · nH
 
2
O
9.EC.45Zincsilite
Zn
 
3
(Si
 
4
O
 
10
)(OH)
 
2
 · 4H
 
2
O
9.EC.45Ferrosaponite
Ca
 
0.3
(Fe
2+
 
,Mg,Fe
3+
 
)
 
3
((Si,Al)
 
4
O
 
10
)(OH)
 
2
 · 4H
 
2
O
9.EC.50Vermiculite
(Mg,Fe,Al)
 
3
((Al,Si)
 
4
O
 
10
)(OH)
 
2
 · 4H
 
2
O
9.EC.55Baileychlore
(Zn,Fe,Al,Mg)
 
6
((Si,Al)
 
4
O
 
10
)(OH)
 
8
9.EC.55Chamosite
(Fe
2+
 
,Mg)
 
5
Al(AlSi
 
3
O
 
10
)(OH)
 
8
9.EC.55Clinochlore
(Mg,Fe
2+
 
)
 
5
Al(AlSi
 
3
O
 
10
)(OH)
 
8
9.EC.55Cookeite
LiAl
 
4
(AlSi
 
3
O
 
10
)(OH)
 
8
9.EC.55Franklinfurnaceite
Ca
 
2
Fe
3+
 
Mn
2+
3
Mn
3+
 
(Zn
 
2
Si
 
2
O
 
10
)(OH)
 
8
9.EC.55Gonyerite
(Mn
2+
 
,Mg)
 
5
Fe
3+
 
(Fe
3+
 
Si
 
3
O
 
10
)(OH)
 
8
9.EC.55Nimite
(Ni,Mg,Al)
 
6
((Si,Al)
 
4
O
 
10
)(OH)
 
8
9.EC.55Orthochamosite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
5
Al(AlSi
 
3
O
 
10
)(OH,O)
 
8
9.EC.55Pennantite
Mn
2+
5
Al(AlSi
 
3
O
 
10
)(OH)
 
8
9.EC.55Sudoite
(Mg,Fe
2+
 
)
 
2
Al
 
3
(AlSi
 
3
O
 
10
)(OH)
 
8
9.EC.55Donbassite
Al
 
4.33
(AlSi
 
3
O
 
10
)(OH)
 
8
9.EC.55Glagolevite
Na(Mg,Al)
 
6
(AlSi
 
3
O
 
10
)(OH,O)
 
8
9.EC.55Borocookeite
Li
 
1+3x
Al
 
4-x
(BSi
 
3
O
 
10
)(OH)
 
8
9.EC.60Aliettite
Ca
 
0.2
Mg
 
6
((Si,Al)
 
8
O
 
20
)(OH)
 
4
 · 4H
 
2
O
9.EC.60Corrensite
(Mg,Fe)
 
9
((Si,Al)
 
8
O
 
20
)(OH)
 
10
 · nH
 
2
O
9.EC.60Dozyite
Mg
 
7
Al
 
2
(Al
 
2
Si
 
4
O
 
15
)(OH)
 
12
9.EC.60Hydrobiotite
K(Mg,Fe
2+
 
)
 
6
((Si,Al)
 
8
O
 
20
)(OH)
 
4
 · nH
 
2
O
9.EC.60Karpinskite
(Ni,Mg)
 
2
Si
 
2
O
 
5
(OH)
 
2
 (?)
9.EC.60Kulkeite
Mg
 
8
Al(AlSi
 
7
O
 
20
)(OH)
 
10
9.EC.60Lunijianlaite
Li
 
0.7
Al
 
6.2
(AlSi
 
7
lO
 
20
)(OH,O)
 
10
9.EC.60Rectorite
(Na,Ca)Al
 
4
((Si,Al)
 
8
O
 
20
)(OH)
 
4
 · 2H
 
2
O
9.EC.60Saliotite
(Li,Na)Al
 
3
(AlSi
 
3
O
 
10
)(OH)
 
5
9.EC.60Tosudite
Na
 
0.5
(Al,Mg)
 
6
((Si,Al)
 
8
O
 
18
)(OH)
 
12
 · 5H
 
2
O
9.EC.60Brinrobertsite
Na
 
0.3
Al
 
4
(Si
 
4
O
 
10
)
 
2
(OH)
 
4
 · 3.5 H
 
2
O
9.EC.65Macaulayite
(Fe,Al)
 
24
Si
 
4
O
 
43
(OH)
 
2
9.EC.70Burckhardtite
Pb
 
2
(Fe
3+
 
,Mn
3+
 
)Te
4+
 
(AlSi
 
3
O
 
10
)O
 
2
(OH)
 
2
 · H
 
2
O
9.EC.75Ferrisurite
(Pb,Ca)
 
2.4
Fe
3+
2
(Si
 
4
O
 
10
)(CO
 
3
)
 
1.7
(OH)
 
3
 · nH
 
2
O
9.EC.75Surite
(Pb,Ca)
 
3
(Al,Fe
2+
 
,Mg)
 
2
((Si,Al)
 
4
O
 
10
)(CO
 
3
)
 
2
(OH)
 
2
9.EC.75Niksergievite
(Ba,Ca)
 
2
Al
 
3
(AlSi
 
3
O
 
10
)(CO
 
3
)(OH)
 
6
 · nH
 
2
O
9.EC.80Kegelite
Pb
 
8
Al
 
4
(Si
 
8
O
 
20
)(SO
 
4
)
 
2
(CO
 
3
)
 
4
(OH)
 
8
Related Minerals - Hey's Index Grouping:

- +
16.9.1Gehlenite
Ca
 
2
Al(AlSiO
 
7
)
16.9.2Anorthite
CaAl
 
2
Si
 
2
O
 
8
16.9.3Yoshiokaite
(Ca,Na)[Al(Al,Si)O
 
4
]
16.9.4Svyatoslavite
CaAl
 
2
Si
 
2
O
 
8
16.9.5Dmisteinbergite
CaAl
 
2
Si
 
2
O
 
8
16.9.6Grossular
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3
16.9.7Vuagnatite
CaAl(SiO
 
4
)(OH)
16.9.8Zoisite
{Ca
 
2
}{Al
 
3
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
16.9.9Clinozoisite
{Ca
 
2
}{Al
 
3
}(Si
 
2
O
 
7
)(SiO
 
4
)O(OH)
16.9.10Prehnite
Ca
 
2
Al
 
2
Si
 
3
O
 
10
(OH)
 
2
16.9.11Kamaishilite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
16.9.12Bicchulite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
16.9.14Chantalite
CaAl
 
2
(SiO
 
4
)(OH)
 
4
16.9.15Cebollite
Ca
 
5
Al
 
2
(SiO
 
4
)
 
3
(OH)
 
4
16.9.17Katoite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
16.9.18Lawsonite
CaAl
 
2
(Si
 
2
O
 
7
)(OH)
 
2
 · H
 
2
O
16.9.19Parthéite
CaAl
 
2
Si
 
2
O
 
8
 · 2H
 
2
O
16.9.20Wairakite
Ca(Al
 
2
Si
 
4
O
 
12
) · 2H
 
2
O
16.9.21Vertumnite
Ca
 
4
Al
 
4
Si
 
4
O
 
6
(OH)
 
24
 · 3H
 
2
O
16.9.22Scolecite
CaAl
 
2
Si
 
3
O
 
10
 · 3H
 
2
O
16.9.23Laumontite
CaAl
 
2
Si
 
4
O
 
12
 · 4H
 
2
O
16.9.24Yugawaralite
CaAl
 
2
Si
 
6
O
 
16
 · 4H
 
2
O
16.9.25Gismondine-Ca
CaAl
 
2
Si
 
2
O
 
8
 · 4H
 
2
O
16.9.26Epistilbite
CaAl
 
2
Si
 
6
O
 
16
 · 5H
 
2
O
16.9.27Goosecreekite
Ca[Al
 
2
Si
 
6
O
 
16
] · 5H
 
2
O
16.9.28Cowlesite
CaAl
 
2
Si
 
3
O
 
10
 · 6H
 
2
O
16.9.30Stellerite
Ca[Al
 
2
Si
 
7
O
 
18
] · 7H
 
2
O
16.9.31Strätlingite
Ca
 
2
Al
 
2
SiO
 
7
 · 8H
 
2
O
16.9.32Amstallite
CaAl(Si,Al)
 
4
O
 
8
(OH)
 
4
 · (H
 
2
O,Cl)

Other Names for Margarite

Synonyms:
Calcium MicaClingmaniteCorundelliteEmeryliteEmeryllite
KalkglimmerPerlglimmer
Other Languages:
German:Corundellit
Emerylit
Emeryllit
Koundellit
Margarit
Russian:Маргарит
Simplified Chinese:珍珠云母
Spanish:Corundellita
Emerylita
Emeryllita
Margarita
Varieties:
Beryllian Margarite

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 Margarite

Reference List:

- +
Senger, W. (1821), "Oryctographie der Gefürsteten Grafschaft Tirols", Wagner (Innsbruck), 1821, pp. 32-33.

Canadian Mineralogist (1998): 36: 905-912.

Internet Links for Margarite

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    • Localities for Margarite

    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.
    Afghanistan
     
    • Kabol Province (Kabul Province)
      • Surobi District (Sorobi District)
    		Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Ore Geology Reviews 34, 169-191.
    Australia
     
    • New South Wales
      • Yancowinna Co.
        • Broken Hill
    		Econ Geol (1993) 88:505-541
    • Queensland
      • Mount Isa - Cloncurry area
        • Mount Isa district
    		Museum Victoria Mineralogy Collection
    • South Australia
      • Olary Province
    		Carr, P.F., 2003. Chiastolite – andalusite or pseudomorphs after andalusite? Australian Journal of Mineralogy, 9, 91-96.
    • Western Australia
      • Cue Shire
        • Poona
    		Emeralds of the World English extraLapis Vol. 2 2002 pp24-35
    Austria
     
    • Carinthia
      • Friesach - Hüttenberg area
        • Hüttenberg
          • Hüttenberger Erzberg
            • Knappenberg
    		I. Praetzel: Der Karinthin 93:293-301 (1985)
          • Lölling
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Lower Austria
      • Waldviertel
        • Drosendorf-Zissersdorf
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Salzburg
      • Hohe Tauern
        • Fusch valley
          • Ferleiten
    		A. Strasser: Die Minerale Salzburgs (1989)
        • Habach Valley
          • Nasenkopf
            • Leckbachgraben (Leckbachrinne)
    		A. Strasser: Die Minerale Salzburgs (1989)
    [var: Beryllian Margarite] E. Y. Kievlenko (2003) Geology of Gems, 84
    • Styria
      • Weiz
        • Stubenberg am See
    		Bernhard, F. & Schachinger, T. (2006)
    • Tyrol
      • North Tyrol
        • Ziller valley
          • Zemmgrund
    		W. Senger: "Oryctographie der Gefürsteten Grafschaft Tirols", Wagner (Innsbruck), 1821, pp. 32-33
    Brazil
     
    • Bahia
      • Campo Formoso ultramafic complex
        • Pindobaçu
    		Emeralds of the World English extraLapis Vol. 2 2002 pp24-35
    Bulgaria
     
    E.Ya. Kievlenko, Geology of gems, 2003, p. 85
    American Mineralogist, Volume 94, pages 1283–1286, 2009
    Canada
     
    • Québec
      • Estrie
        • Les Sources RCM
          • Asbestos
    		Normand (2001) Experimental and field investigation of serpentinization and rodingitization. unpublished Ph.D. thesis McGill University, Montreal, Quebec
    China
     
    • Henan Province
      • Nanyang Prefecture
        • Wancheng District
    		Jianhong Zhang, Zhaohui Li, and Xuefang Wang (1989): Acta Petrologica et Mineralogica 8(1)
      • Xinyang Prefecture
        • Xin Co.
    		Ruyuan Zhang and Liou, J.G. (1994): European Journal of Mineralogy 6(2), 217-233.
    • Hunan Province
      • Chenzhou Prefecture
        • Yizhang Co.
          • Dongpo ore field
    		Jingwen Mao, Hongyan Li, Hidehiko Shimazaki, Raimbault, L., and Guy, B. (1996): International Geology Review 38(11), 1020-1039
    • 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.
    • Shandong Province
      • Jiaodong Peninsula (Jiaodong Gold Province)
        • Qingdao Prefecture
          • Jiaonan Co.
    		Hongrui Fan, Jinghui Guo, Fangfang Hu, Xuelei Chu, and Chengwei Jin (2005): Acta Petrologica Sinica 21(4), 1125-1132
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • South Bohemia Region
        • Strakonice
    		Litochleb, J. et al.: Korund ze skapolitem bohaté vápenatosilikátové horniny v moldanubických mramorech u Krtů na Strakonicku. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 169-172.
    • Moravia (Mähren; Maehren)
      • Moravia-Silesia Region
        • Vrbno pod Pradědem
    		Kruťa, T.: O nerostech, nerostných surovinách a předních nalezištích ve Slezsku. Přírodovědecký sborník (Sborník Přírodovědecké společnosti v Ostravě), 1949, roč. 10, s. 281-69.
      • Vysočina Region
        • Třebíč
    		Houzar, S.: Pokojovice u Třebíče – klasická lokalita korundu na Moravě. Minerál, 2005, roč. 13, č. 1, s. 23-25.
    Finland
     
    • Southern Finland Region
      • Luumäki
        • Kännätsalo
    		Bergverksmuseets Skrift 33, 87-107
    France
     
    • Auvergne
      • Haute-Loire
        • Lavoûte-Chilhac
          • Saint-Cirgues
    		F.H. Forestier : "Les Péridotites Serpentinisées en France, Groupe I, Fascicule IV, Bassin du Haut Allier", BRGM, 1964
    • Midi-Pyrénées
      • Ariège
        • Cauflens
          • Seix
            • Salau
    		C. Derré, M. Fonteilles, L.Y. Nansot : "Le Gisement de Scheelite de Salau, Ariège - Pyrénées", Publications du 26è Congrès Géologique International, Paris, 7-17 July, 1980
    Germany
     
    • Saxony
      • Erzgebirge
    		Lapis 30(7/8):78-80 (2005)
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Kykládes Prefecture
        • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
    		Markl, G. & Scharlau, A. (2008): Große Saphire, Margarit und Tremolit aus den Smirgelgruben auf Naxos, Griechenland. Lapis 33 (12), 26-28; 33-35; 58 (in German).
      • Sámos Prefecture
        • Sámos Island
    		http://www.gfz-potsdam.de/pb4/pg1/people/feenstraabstracts/feen-abs4.html
          • Kerketeas Mt (Kerkis Mt)
    		European Journal of Mineralogy; December 1998; v. 10; no. 6; p. 1361-1366
    India
     
    • West Bengal
      • Purulia District
    		Baidya, Tapan Kumar, Sen, Gautam, and Chakravorty, Priya Shankar, 1981, Uranium Occurrences in and Around Nawahatu, Purulia District, West Bengal, India - A Preliminay Report, Economic Geology, v 76, p. 970-973.
    Italy
     
    • Calabria
      • Reggio Calabria Province
        • San Giorgio Morgeto
    		Carlino, P. (1972): L'andalusite di S. Giorgio Morgeto (Reggio Calabria). Rendiconti della Società Italiana di Mineralogia e Petrografia, 28(2), 413-421.
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Baceno
            • Devero Alp (Devero Valley; Val Devero)
          • Vigezzo Valley
            • Druogno
              • Orcesco
    		Mattioli V. (1987) - Novità mineralogiche in Val d'Ossola - Rivista Mineralogica Italiana, Milano, fasc. 1, pp.1-11
            • Trontano
    		Mattioli V. (1987) - Novità mineralogiche in Val d'Ossola - Rivista Mineralogica Italiana, Milano, fasc. 1, pp.1-11
    • Trentino-Alto Adige
      • Bolzano Province (South Tyrol)
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
        • Vizze Valley (Pfitsch valley)
    		Gartner, Ar., Gartner An. (2002): Burgum im schönen Pfitschtal. Tipografia Novaprint Cavalese, 126 pp.
    Japan
     
    • Hokkaido
      • Shiribeshi Province
    		Nagata, J. (1982)
    • Kyushu Region
      • Oita prefecture
        • Saeki city
    		Masutomi Museum specimens
    Kazakhstan
     
    • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
      • Kalba Range
    		Kovalev, K.R., Kalinin, Y.A., Naumov, E.A., Pirajno, F., and Borisenko, A.S. (2009): Ore Geology Reviews 35, 186-205.
    Namibia
     
    • Khomas Region
      • Windhoek District
        • Okamuvia Farm 144
    		Bürg, G. , Die Nutzbaren Minerallagerstätten von Deutsch-Südwestafrika (1942), p.74-80
    Nepal
     
    • Bagmati Zone
      • Dhading District
    		Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Ore Geology Reviews 34, 169-191.
    New Zealand
     
    • South Island
      • West Coast (Westland)
    Norway
     
    • Finnmark
      • Hasvik
        • Sørøya
    		Michalsen, A. (2010): Minerallokaliteter på Sørøya, Vest-Finnmark- den grønne øya i nord. Norsk Bergverksmuseum Skrift.43, 41-52
    • Møre og Romsdal
      • Norddal
        • Tafjord
    		Brueckner, H.K. (1977): A structural, stratigraphic and petrologic study of anorthosites, eclogites and ultramafic rocks and their country rocks, Tafjord area, western South Norway. Norges Geologiske Undersøkelse. 332, 1-53
    • Sogn og Fjordane
    		Vik Vanrusselt Collection
      • Selje
        • Liset
    		Smith, D.C. & Kechid, S-A. (1983): Three rare Al-& Na-rich micas in the Liset eclogite pod, Norway: Fe-Mg-margarite, preiswerkite & Na-eastonite. Terra Cognita, 3, 191.
        • Nordpollen
    		Eskola, P.(1921): On the eclogites of Norway. Videnskapsselskapets Skrifter. I. Mat.-Naturv. Klasse 1921,8. 130pp. (p.68)
    • Troms
      • Tromsø
    		Selbekk, R. S., Kullerud, K. & Ravna, E. (2008): Formation of corundum megacrysts, related to K-rich fluids infiltration during inconngruent melting of plagioclase in SiO2-undersaturated rocks at high T. Norsk Bergverksmuseum Skrift. 38: 29-32
    Pakistan
     
    • Gilgit-Baltistan (Northern Areas)
      • Gilgit District
    		Garnier, V., Giuliani, G., Ohnenstetter, D., Fallick, A.E., Dubessy, J., Banks, D., Vinh, H.Q., Lhomme, T., Maluski, H., Pêcher, A., Bakhsh, K.A., Long, P.V., Trinh, P.T., and Schwarz, D. (2008): Ore Geology Reviews 34, 169-191.
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
          • Narin-Kunta
    		P.M. Kartashov data
      • Saha Republic (Sakha Republic; Yakutia)
    		[World of Stones 12:49]
    • Far-Eastern Region
      • Primorskiy Kray
        • Kavalerovo Mining District
          • Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche)
    		Min Rec vol 32, pp 7-30 (2001)
    • Urals Region
      • Middle Urals
        • Sverdlovskaya Oblast'
          • Ekaterinburg (Sverdlovsk)
            • Malyshevo
              • Izumrudnye Kopi area
                • Malyshevskoe (Mariinskoe) deposit
    		[var: Beryllian Margarite] Avdonin V.N., Polenov Yu.A. (2004) Essays on Uralian minerals, - UGGA press, p. 419 (in Rus.).
    Slovakia
     
    • Banská Bystrica Region
    		Ďuďa R.,Kotuľak P., Káňa R., 1993: Bergbau und Mineralien von Banská Štiavnica (Schemnitz), Slowakei. Emser Hefte, 14, 3, 1-70, Haltern
    • Košice Region
      • Gelnica Co.
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    South Africa
     
    • Free State Province
      • Witwatersrand field
    		Econ Geol (1994) 89:909-918.
    • Limpopo Province
      • Bushveld Complex
        • Waterberg District
    		Minerals of South Africa
    Minerals of South Africa
      • Mica
    		Minerals of South Africa
      • Murchison Range
        • Gravelotte
    		Minerals of South Africa
    Spain
     
    • Andalusia
      • Granada
        • Otívar
    		J.M. Azanon and B. Goffé, Eur. J. Mineral., 1997, 9, pp. 1035-1051.
        • Salobreña
    		B. Goffé et al. , Eur. J. Mineral. , 1996, 8, pp. 335-348.
    Sweden
     
    • Uppland
      • Österåker
    		SAGS; Nysten, P. (1996): Paragenetic setting and crystal chemistry of milarites from Proterozoic granitic pegmatites in Sweden. Neues Jahrbuch für Mineralogie, Monatshefte 1996, 564-576.
    • Värmland
      • Eda
        • Ulverud
    		Grensman, Fredrik (1991): Ulverud. En korundförande anortosit i Sydvästsverige 22 km V Arvika,Värmland. STEIN 18(2),8
    Switzerland
     
    • Wallis (Valais)
      • Brig
        • Simplon pass area
          • Ganter valley
            • Wasen Alp
    		Graeser S., Hetherington C.J., Gieré R. (2003): Ganterite, a new barium-dominant analogue of muscovite from the Berisal Complex, Simplon Region, Switzerland. Canadian Mineralogist 41, 1271-1280.
      • Turtmann Valley
      • Zermatt - Saas Fee area
        • Matt Valley
    		Am Min 88:5-6 pp 789-805
    Turkey
     
    • Aegean Region
      • Denizli Province
        • Serinhisar District
          • Yatağan
    		http://e-collection.library.ethz.ch/eserv/eth:21496/eth-21496-02.pdf
    Ukraine
     
    • Crimea Oblast'
      • Crimea peninsula
        • Alushta
    		Alexander I. Tischenko (1996). Minerals of the Crimea. - World of stones, 1996, #9, p.9-18.
    USA
     
    • Alabama
      • Tallapoosa Co.
    		Rocks & Min 70:5 pp 320-333
    • California
      • Calaveras Co.
        • Mother Lode Belt
          • Angels Camp District
            • Angels Camp
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.
      • El Dorado Co.
        • Georgetown District
    		AmMin 64:728
            • Rock Canyon
    		Guidott, C.V., Post, J.L., and Cheney, J.T. (1979) Margarite pseudomorphs after chiastolite in the Georgetown area, California. American Mineralogist: 64: 728-732; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.
      • Plumas Co.
        • Edmanton District (Meadow Valley District)
          • Meadow Valley
    		Pratt, Joseph Hyde (1906), Corundum and its occurrence and distribution in the United States: USGS Bulletin 269: 42; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.; Andrew Lawson Univ. California, Dep. Geol. Bull. 3 (1903)219-229
      • Riverside Co.
        • Crestmore
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255; micromounts@yahoogroups.com
      • San Mateo Co.
    		Murgoci, G.M. (1906), Contribution to the classification of the amphiboles; on some glaucophane schists, syenites, etc.: University of California, Department of Geological Sciences Bulletin: 4: 391; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 255; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 431.
      • Santa Clara Co.
        • Oak Ridge
    		Smith, James Perrin (1906), The paragenesis of the minerals in the glaucophane-bearing rocks of California: American Philosophical Society Proceedings: 45: 203; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 256; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 432.
      • Sonoma Co.
        • Santa Rosa
    		Murgoci, G.M. (1906), Contribution to the classification of the amphiboles; on some glaucophane schists, syenites, etc.: Univ. Calif., Dept. Geol. Sci. Bulletin: 4: 389; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 256; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 432.
    • Connecticut
      • Fairfield Co.
        • Trumbull
          • Long Hill
    		Jeremy Zolan
    Shannon, Earl V. (1921): The Old Tungsten Mine in Trumbull, Connecticut. American Mineralogist 6:126-128.
    Jeremy Zolan
    • Georgia
      • Carroll Co.
        • Burwell Station
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
        • Carrollton
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Habersham Co.
        • Alec Mountain
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Hall Co.
        • Gainesville
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    Van Gosen, Bradley S. (2005) Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States. USGS Open-File Report 2005-1189.
      • Heard Co.
        • Centralhatchee
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Towns Co.
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
      • Union Co.
        • Trackrock Gap
    		Rocks & Min.: 64:205.
    • Maine
      • Cumberland Co.
        • Harpswell
    		www.maine.gov/doc/nrimc/mgs/explore/bedrock/b42/harpswell.htm
    AmMin 61:431 (1976)
        • E
          • Smalls Falls
    		American Mineralogist 61:431-434, 1976
      • Kennebec Co.
        • Winslow
      • Knox Co.
        • Camden
    		King & Foord, 1994. Mineralogy of Maine, Vol.1
    • Maryland
      • Baltimore Co.
        • Texas
    		Minerals of the Washington, D.C. Area
      • Cecil Co.
        • State Line District
    		Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
    • Massachusetts
      • Hampden Co.
        • Chester
    		Min Rec (1978) 9:235-242
    Alan R. Plante, Personal field notes, 1984
    Min Rec (1978) 9:235-242
    Mineralogy of Michigan (2004) Heinrich & Robinson
    Alan R. Plante, Personal field and lab notes, 1984-1987
    Min Rec (1978) 9:235-242
    Min Rec (1978) 9:235-242
      • Hampshire Co.
        • Pelham
    		Emerson, B. K. (1895): A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts (USGS Bulletin 126), p. 106.
      • Worcester Co.
    		Robinson,1978. Bedrock Geology: Pepperell, Shirley, and Townsend Quads. and Part of Ayer Quad., Mass. and NH
    • Michigan
    		www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
    • Montana
      • Beaverhead Co.
        • Ruby Range
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 49:430-435
    • New Hampshire
      • Grafton Co.
    		Kohn, M.J. and Spear, F.S. (1993) Phase equilibria of margarite-bearing schists and chloritoid+hornblende rocks from western New Hampshire, U. S. A. Journal of Petrology, 34, 631-651.
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Betancourt, P.P. (The Picking Table, Vol. 27(2):2-10); Dunn(1995):Pt2:163.
          • Ogdensburg
            • Sterling Hill
    		Dunn(1995):Pt4:469.
    • North Carolina
      • Alleghany Co.
        • Sparta
          • Bald Knob
    		Brannock,K.C,1971,Minerals of the Spinel Group from Alleghany County,North Carolina
      • Clay Co.
        • Buck Creek
    		Dana 6:515,637 & 1075.
    Mcrocks.com
    GEORGIA JOURNAL OF SCIENCE Volume 56 1998 Number 1
      • Gaston Co.
    		Genth,F.A and Kerr,W.C,1881,Mineral and Mineral Localities of North Carolina,Geologic Survey
        • Lincolnton
    		Genth,F.A and Kerr,W.C, 1881,Mineral Localities of North Carolina, Geologic Survey, North Carolina
      • Haywood Co.
        • Canton
    		Richard James Jacquot,Jr.,2003,Rock,Gem,and Mineral Collecting Sites in Western North Carolina
      • Iredell Co.
    		Genth,Frederick Augustus.,1891,The Minerals Of North Carolina;USGS Bulletion No.74,pp.69
      • Jackson Co.
    		Dana 6:1077.
      • Macon Co.
        • Cowee Valley
          • Ellijay District
            • Franklin
              • Corundum Hill
    		Ref.: Dana 6:499, 560 & 1077.
      • Madison Co.
    		Dana 6:1077.
    Genth,F.A.,1891,The minerals of North Carolina
    Genth,F.A (1891) The Minerals Of North Carolina:USGS Bulletion No.74
    • Pennsylvania
      • Chester Co.
        • Newlin Township
          • Unionville
    		Dana: Textbook of Mineralogy; 1932rev. Pgs.666-7
    www.libraries.psu.edu/emsl/guides/X/delaware.htm.
        • Middletown Township
          • Elwyn
    		Joe Dunleavy (Pers. Comm.)
      • Lancaster Co.
        • State Line Chromite District
          • Fulton Township
    		Mineralogical Record (1981): 12(3): 149-156.
    • South Carolina
      • Lancaster Co.
        • Kershaw
    		Econ Geol (1992) 87:91-112
      • York Co.
    		AmMin 85:1617-1624
    • Vermont
      • Orleans & Lamoille Cos.
        • Lowell & Eden
    		Rocks & Min. Vol. 71, (1996)
      • Orleans Co.
    		Perkins Geology Museum at the University of Vermont
    • Virginia
      • Buckingham Co.
    		Minerals of Virginia, 1990 by R. V. Dietrich
    Gems and Minerals of America-Jay Ellis Ransom-1974
        • Stewart
    		Minerals of Virginia 1990 by R. V. Dietrich
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