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Dmisteinbergite

Big Photo

Kurumazawa gabbro quarry, Gunma Prefecture, Kanto Region, Honshu Island, Japan
© 2007, JGW

Formula:
Ca[Al
 
2
Si
 
2
O
 
8
]
System:HexagonalColour:colourless
Hardness:6
This page provides mineralogical data about Dmisteinbergite.

Classification of Dmisteinbergite

IMA status:Approved 1989
Strunz 8th edition ID:8/J.07-75
Nickel-Strunz 10th (pending) edition ID:9.EG.15

9 : SILICATES (Germanates)
E : Phyllosilicates
G : Double nets with 6-membered and larger rings
Dana 8th edition ID:76.1.7.1

76 : TECTOSILICATES Al-Si Framework
1 : Al-Si Framework with Al-Si frameworks
Hey's CIM Ref.:16.9.5

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

Type Locality:Coal mine No. 45, Kopeisk, Chelyabinsk coal basin, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
Year of Discovery:1990
Geological Setting of type material:fissures in burning coal mine dumps

Occurrences of Dmisteinbergite

Geological Setting:altered gabbro

Physical Properties of Dmisteinbergite

Lustre:Pearly
Colour:colourless
Streak:white
Hardness (Mohs):6
Cleavage:Perfect
Density (measured):2.73 g/cm3

Crystallography of Dmisteinbergite

Crystal System:Hexagonal
Class (H-M):6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:P6/mmm {P6m 2/m 2/m}
Cell Parameters:a = 5.12Å, c = 14.78Å
Ratio:a:c = 1 : 2.887
Unit Cell Volume:V 335.54 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
4.5 (60)
3.83 (60)
3.73 (100)
2.85 (70)
2.57 (80)

Optical Data of Dmisteinbergite

Type:Uniaxial (+)
RI values: nω = 1.575 nε = 1.580
Maximum Birefringence:δ = 0.005

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

Chemical Properties of Dmisteinbergite

Formula:
Ca[Al
 
2
Si
 
2
O
 
8
]
Essential elements:Al, Ca, O, Si
All elements listed in formula:Al, Ca, O, Si
Common Impurities:Mg,Na,K

Relationship of Dmisteinbergite to other Species

Member of Group:
Feldspar Group:
Common Associates:
Wairakite
Related Minerals - Nickel-Strunz Grouping):

- +
9.EG.05Cymrite
BaAl
 
2
Si
 
2
(O,OH)
 
8
·H
 
2
O
9.EG.10Naujakasite
(Na,K)
 
6
(Fe
2+
 
,Mn
2+
 
,Ca)(Al,Fe)
 
4
Si
 
8
O
 
26
9.EG.10Manganonaujakasite
Na
 
6
(Mn
2+
 
,Fe
2+
 
)Al
 
4
Si
 
8
O
 
26
9.EG.20Kampfite
Ba
 
12
(Si
 
11
Al
 
5
)O
 
31
(CO
 
3
)
 
8
Cl
 
5
9.EG.25Strätlingite
Ca
 
2
Al
 
2
SiO
 
7
·8H
 
2
O
9.EG.25Vertumnite
Ca
 
4
Al
 
4
Si
 
4
O
 
6
(OH)
 
24
·3H
 
2
O
9.EG.30Eggletonite
(Na,K,Ca)
 
2
(Mn,Fe)
 
8
(Si,Al)
 
12
O
 
29
(OH)
 
7
·11H
 
2
O
9.EG.30Ganophyllite
(K,Na,Ca)
 
2
Mn
 
8
(Si,Al)
 
12
(O,OH)
 
32
·8H
 
2
O
9.EG.30Tamaite
(Ca,K,Ba,Na)
 
3-4
Mn
 
24
(Si,Al)
 
40
(O,OH)
 
112
·21H
 
2
O
9.EG.35Coombsite
K(Mn,Fe,Mg)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
9.EG.35Zussmanite
K(Fe,Mg,Mn)
 
13
(Si,Al)
 
18
O
 
42
(OH)
 
14
9.EG.40Franklinphilite
(K,Na)
 
4
(Mn,Zn,Mg,Fe)
 
48
(Si,Al)
 
72
(O,OH)
 
216
·6H
 
2
O
9.EG.40Lennilenapeite
K
 
6-7
(Mg,Mn,Fe,Zn)
 
48
(Si,Al)
 
72
(O,OH)
 
216
·16H
 
2
O
9.EG.40Parsettensite
K
 
1.2
Mn
 
8
(Si,Al)
 
12
O
 
26
(OH)
 
10
9.EG.40Stilpnomelane
(K,Ca,Na)(Fe
2+
 
,Mg,Al,Fe
3+
 
)
 
8
(Si,Al)
 
12
(O,OH)
 
36
 · nH
 
2
O
9.EG.45Latiumite
K
 
2
Ca
 
6
(Si,Al)
 
11
O
 
25
(SO
 
4
,CO
 
3
)
9.EG.45Tuscanite
(K(Ca,Na)
 
6
(Si,Al)
 
10
O
 
22
[SO
 
4
,CO
 
3
,(OH)
 
2
]·H
 
2
O
9.EG.50Jagoite
(Pb,Ca)
 
3
FeSi
 
3
O
 
10
(Cl,OH)
9.EG.55Wickenburgite
CaPb
 
3
Al
 
2
Si
 
10
O
 
24
(OH)
 
6
9.EG.60Hyttsjöite
Pb
 
18
Ba
 
2
Ca
 
5
Mn
2+
2
Fe
3+
2
Si
 
30
O
 
90
Cl·6H
 
2
O
9.EG.65Armbrusterite
K
 
5
Na
 
7
Mn
 
15
[(OH)
 
10
|(Si
 
9
O
 
22
)
 
4
] · 4H
 
2
O
9.EG.70Britvinite
[Pb
 
7
(OH)
 
3
F(BO
 
3
)
 
2
(CO
 
3
)][Mg
 
4.5
(OH)
 
3
(Si
 
5
O
 
14
)]
9.EG.75Bannisterite
Ca
 
0.5
(K,Na)
 
0.5
(Mn,Fe,Zn)
 
10
(Si,Al)
 
16
O
 
38
(OH)
 
8
·5.5H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
16.9.1Gehlenite
Ca
 
2
Al[AlSiO
 
7
]
16.9.2Anorthite
Ca[Al
 
2
Si
 
2
O
 
8
]
16.9.3Yoshiokaite
(Ca,Na)[Al(Al,Si)O
 
4
]
16.9.4Svyatoslavite
Ca[Al
 
2
Si
 
2
O
 
8
]
16.9.6Grossular
Ca
 
3
Al
 
2
[SiO
 
4
]
 
3
16.9.7Vuagnatite
CaAl[OH|SiO
 
4
]
16.9.8Zoisite
{Ca
 
2
}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.9.9Clinozoisite
{Ca
 
2
}{Al
 
3
}[O|OH|SiO
 
4
|Si
 
2
O
 
7
]
16.9.10Prehnite
Ca
 
2
Al
 
2
Si
 
3
O
 
12
(OH)
16.9.11Kamaishilite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
16.9.12Bicchulite
Ca
 
2
[(OH)
 
2
|Al
 
2
SiO
 
6
]
16.9.13Margarite
CaAl
 
2
[(OH)
 
2
|Al
 
2
Si
 
2
O
 
10
]
16.9.14Chantalite
CaAl
 
2
[(OH)
 
4
|SiO
 
4
]
16.9.15Cebollite
Ca
 
5
Al
 
2
Si
 
3
O
 
12
(OH)
 
4
 or near
16.9.17Katoite
Ca
 
3
Al
 
2
[(OH)
 
8-6
|(SiO
 
4
)
 
1-1.5
]
16.9.18Lawsonite
CaAl
 
2
[(OH)
 
2
|Si
 
2
O
 
7
] · 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
Ca[Al
 
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 Dmisteinbergite

Synonyms:
IMA1989-010
Other Languages:
German:Dmisteinbergit
Spanish:Dmisteinbergita

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 Dmisteinbergite

Reference List:Chesnokov, B. V., Lotova, E. V., Nigmatullina, E. N., Pavlutchenko, V. S. & Bushmakin, A. F. (1990): Dmishteinbergit, CaAl2Si2O8, (hexagonal), a new mineral: Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 119 (5), 43-46.

New Minerals (1997), New Minerals 1990-1994.

Internet Links for Dmisteinbergite

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    Localities for Dmisteinbergite

    (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.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Gunma Prefecture
    		Labels of numerous Japanese collectors and dealers (Alfredo Petrov specimen confirmed by powder XRD)
    Russia
     
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Chelyabinsk coal basin
            • Kopeisk
    		ZVMO (1990) 119, n5, 43-45; American Mineralogist (1992) 77, 446-447; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Mineral and/or Locality
    Google
     
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