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Cebollite

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Formula:
Ca5Al2(SiO4)3(OH)4
System:
Orthorhombic
Hardness:
5
This page provides mineralogical data about Cebollite.

Classification of Cebollite

Questionable/Doubtful 1914
Explanation of status:
Inadequate data.
9.BB.10

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

78 : Unclassified Silicates
1 : Miscellaneous
16.9.15

16 : Silicates Containing Aluminum and other Metals
9 : Aluminosilicates of Ca
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http://www.mindat.org/min-924.html
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First Recorded Occurrence of Cebollite

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
Max Birefringence:
δ = 0.033
Image 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:
Ca5Al2(SiO4)3(OH)4
Essential elements:
All elements listed in formula:
Common Impurities:
Na,K

Relationship of Cebollite to other Species

9.BB.10ÅkermaniteCa2Mg(Si2O7)
9.BB.10GehleniteCa2Al(AlSiO7)
9.BB.10GugiaiteCa2Be(Si2O7)
9.BB.10HardystoniteCa2Zn(Si2O7)
9.BB.10Jeffreyite(Ca,Na)2(Be,Al)(Si2O7,HSi2O7)
9.BB.10OkayamaliteCa2B(BSiO7)
9.BB.10Alumoåkermanite(Ca,Na)2(Al,Mg,Fe2+)(Si2O7)
9.BB.15BaryliteBe2Ba(Si2O7)
9.BB.15Barylite-1OBe2Ba(Si2O7)
9.BB.20AndrémeyeriteBaFe22+(Si2O7)
16.9.1GehleniteCa2Al(AlSiO7)
16.9.2AnorthiteCaAl2Si2O8
16.9.3Yoshiokaite(Ca,Na)[Al(Al,Si)O4]
16.9.4SvyatoslaviteCaAl2Si2O8
16.9.5DmisteinbergiteCaAl2Si2O8
16.9.6GrossularCa3Al2(SiO4)3
16.9.7VuagnatiteCaAl(SiO4)(OH)
16.9.8Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
16.9.9Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
16.9.10PrehniteCa2Al2Si3O10(OH)2
16.9.11KamaishiliteCa2(Al2SiO6)(OH)2
16.9.12BicchuliteCa2(Al2SiO6)(OH)2
16.9.13MargariteCaAl2(Al2Si2O10)(OH)2
16.9.14ChantaliteCaAl2(SiO4)(OH)4
16.9.17KatoiteCa3Al2(SiO4)3-x(OH)4x
16.9.18LawsoniteCaAl2(Si2O7)(OH)2 · H2O
16.9.19ParthéiteCaAl2Si2O8 · 2H2O
16.9.20WairakiteCa(Al2Si4O12) · 2H2O
16.9.21VertumniteCa4Al4Si4O6(OH)24 · 3H2O
16.9.22ScoleciteCaAl2Si3O10 · 3H2O
16.9.23LaumontiteCaAl2Si4O12 · 4H2O
16.9.24YugawaraliteCaAl2Si6O16 · 4H2O
16.9.25Gismondine-CaCaAl2Si2O8 · 4H2O
16.9.26EpistilbiteCaAl2Si6O16 · 5H2O
16.9.27GoosecreekiteCa[Al2Si6O16] · 5H2O
16.9.28CowlesiteCaAl2Si3O10 · 6H2O
16.9.30StelleriteCa4(Si28Al8)O72 · 28H2O
16.9.31SträtlingiteCa2Al2SiO7 · 8H2O
16.9.32AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)

Other Names for Cebollite

Name in Other Languages:
German:Cebollit
Spanish:Cebollita

Other Information

Health Risks:
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.

Internet Links for Cebollite

Localities for Cebollite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Canada
 
  • Québec
    • Laurentides
      • Deux-Montagnes RCM
        • Oka
Gold (1969)
GOLD, D.P. (1972): The Monteregian Hills: ultra-alkaline rocks and the Oka carbonatite complex. 24th International Geological Congress (Montreal), Guidebook B-11.
Greenland
 
  • Tunu Province (East Greenland)
    • Kangerlussuaq Firth
      • Kangerlussuaq complex
MinRec 16:485-494
Lesotho
 
  • Mokhotlong District
    • Maluti Mts.
Mineralogical Magazine (1980), 43, 583-586; Dana VIII; F. J. Kruger (1982) The Occurrence of Cebollite in Kimberlite and Included Zeolitized Crustal Xenoliths—A Correction and Discussion of the Occurrence of Pectolite. Mineralogical Magazine 46:274-275.
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).
Romania
 
  • Hunedoara Co.
    • Hunedoara
The Canadian Mineralogist Vol. 39, pp. 1405-1434 (2001)
Russia
 
  • Eastern-Siberian Region
    • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
      • Maimecha and Kotui Rivers Basin
Pavel M. Kartashov data
    • Transbaikalia (Zabaykalye)
      • Yeniseisk Autonomous Oblast'
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Afrikanda
Chakhmouradian A.R., Zaitsev A.N. (2002) Calcite–Amphibole–Clinopyroxene rock from the Afrikanda complex, Kola peninsula, Russia: mineralogy and a possible link to carbonatites. III. Silicate minerals. - Can. Miner., Vol.40, pp. 1347-1374.
        • Turii Cape
Keith Bell, Elizabeth Ann Dunworth, Andrei G. Bulakh, and Valeriy V. Ivanikov (1996) Alkaline rocks of the Turiy Peninsula, Russia, including type-locality turjaite and turjite; a review. Can Mineral, v. 34, p. 265-280
South Africa
 
  • Gauteng Province
    • Pretoria District (Tshwane District)
      • Cullinan
        • Rayton
Horst Windisch (2007) South African Micromount Society newsletter: 33(3)
  • Northern Cape Province
    • Francis Baard District
      • Kimberley
http://rruff.geo.arizona.edu/doclib/hom/cebollite.pdf.; F. J. Kruger (1982) The Occurrence of Cebollite in Kimberlite and Included Zeolitized Crustal Xenoliths—A Correction and Discussion of the Occurrence of Pectolite. Mineralogical Magazine 46:274-275.
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; USGS ProfessionaL Paper 197A
Mineral and/or Locality  
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