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Cebollite

Formula:
Ca
 
5
Al
 
2
Si
 
3
O
 
12
(OH)
 
4
 or near
System:OrthorhombicHardness:5
This page provides mineralogical data about Cebollite.

Classification of Cebollite

IMA status:Questionable/Doubtful 1914
Explanation of status:Inadequate data.
Strunz 8th edition ID:8/C.03-30
Nickel-Strunz 10th (pending) edition ID:9.BB.10

9 : SILICATES (Germanates)
B : Sorosilicates
B : Si2O7 groups, without non-tetrahedral anions; cations in tetrahedral [4] and greater coordination
Dana 8th edition ID:78.1.1.1

78 : Unclassified Silicates
1 : Miscellaneous
Hey's CIM Ref.:16.9.15

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

Type Locality:Iron Hill, White Earth District (Powderhorn District), Gunnison Co., Colorado, USA
Year of Discovery:1914

Physical Properties of Cebollite

Hardness (Mohs):5

Crystallography of Cebollite

Crystal System:Orthorhombic

Optical Data of Cebollite

Type:Biaxial (+)
RI values: nα = 1.595 nβ = 1.600 nγ = 1.628
Maximum Birefringence:δ = 0.033

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

Chemical Properties of Cebollite

Formula:
Ca
 
5
Al
 
2
Si
 
3
O
 
12
(OH)
 
4
 or near
Essential elements:Al, Ca, H, O, Si
All elements listed in formula:Al, Ca, H, O, Si
Common Impurities:Na,K

Relationship of Cebollite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.BB.10Åkermanite
Ca
 
2
Mg[Si
 
2
O
 
7
]
9.BB.10Gehlenite
Ca
 
2
Al[AlSiO
 
7
]
9.BB.10Gugiaite
Ca
 
2
Be[Si
 
2
O
 
7
]
9.BB.10Hardystonite
Ca
 
2
Zn[Si
 
2
O
 
7
]
9.BB.10Jeffreyite
(Ca,Na)
 
2
(Be,Al)[Si
 
2
O
 
6
(O,OH)]
9.BB.10Okayamalite
Ca
 
2
B[BSiO
 
7
]
9.BB.15Barylite
BaBe
 
2
[Si
 
2
O
 
7
]
9.BB.15Clinobarylite
BaBe
 
2
Si
 
2
O
 
7
9.BB.20Andrémeyerite
BaFe
2+
2
[Si
 
2
O
 
7
]
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
]
16.9.5Dmisteinbergite
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
]
16.9.17Katoite
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 Cebollite

Other Languages:
German:Cebollit
Spanish:Cebollita

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 Cebollite

Reference List:1. Mineralogical Magazine 43 (1980), 583.
2. Handbook of Mineralogy (Anthony et al.), 2 (1995), 120.

Articles/Blogs about Cebollite

Internet Links for Cebollite

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    Localities for Cebollite

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    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.
    Greenland
     
    • Tunu (East Greenland) Province
      • Kangerlussuaq Firth
        • Kangerlussuaq complex
    		MinRec 16:485-494
    Kazakhstan
     
    • Ongtüstik Qazaqstan Oblysy (Southern-Kazakhstan Oblast')
      • Tien-Shan Mts
        • Talass Alatau Range
    Lesotho
     
    • Mokhotlong District
      • Maluti Mts.
    		Mineralogical Magazine (1980), 43, 583-586; Dana VIII
    New Zealand
     
    • North Island
      • Northland
        • Kaipara
    		Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807.
    Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
    South Africa
     
    • Northern Cape Province
      • Kimberley
    		http://rruff.geo.arizona.edu/doclib/hom/cebollite.pdf.
    UK
     
    • Northern Ireland
      • Co. Antrim
        • Larne
    		http://rruff.geo.arizona.edu/doclib/hom/cebollite.pdf.
    USA
     
    • California
      • Riverside Co.
        • Crestmore
    		[micromounts@yahoogroups.com]
    • Colorado
      • Gunnison Co.
        • White Earth District (Powderhorn District)
    		"Minerals of Colorado, updated & revised", p. 135, by Eckel, Edwin B., 1997
    Mineral and/or Locality
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