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Skiagite

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Formula:
Fe
2+
3
Fe
3+
2
[SiO
 
4
]
 
3
Member of:Garnet Structural Group


Name used for hypothetical end member.

Classification of Skiagite

IMA status:Published without Approval
mindat.org URL:http://www.mindat.org/min-43200.html
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Chemical Properties of Skiagite

Formula:
Fe
2+
3
Fe
3+
2
[SiO
 
4
]
 
3
Essential elements:Fe, O, Si
All elements listed in formula:Fe, O, Si

Relationship of Skiagite to other Species

Member of:Garnet Structural Group
Other Members of Group:

- +
Almandine
Fe
2+
3
Al
 
2
(SiO
 
4
)
 
3
Andradite
Ca
 
3
Fe
3+
2
(SiO
 
4
)
 
3
Berzeliite
NaCa
 
2
(Mg,Mn
2+
 
)
 
2
(AsO
 
4
)
 
3
Bitikleite-(SnAl)
Ca
 
3
SbSn(AlO
 
4
)
 
3
Bitikleite-(SnFe)
Ca
 
3
SbSn(Fe
3+
 
O
 
4
)
 
3
Bitikleite-(ZrFe)
Ca
 
3
SbZr(Fe
3+
 
O
 
4
)
 
3
Blythite
Mn
2+
3
Mn
3+
2
[SiO
 
4
]
 
3
Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
(SiO
 
4
)
 
3
Goldmanite
Ca
 
3
V
3+
2
(SiO
 
4
)
 
3
Grossular
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3
Henritermierite
Ca
 
3
(Mn
3+
 
,Al)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
Irinarassite
Ca
 
3
Sn
 
2
Al
 
2
SiO
 
12
Katoite
Ca
 
3
Al
 
2
(SiO
 
4
)
 
3-x
(OH)
 
4x
Kerimasite
Ca
 
3
Zr
 
2
(SiO
 
4
)(Fe
3+
 
O
 
4
)
 
2
Kimzeyite
Ca
 
3
(Zr,Ti)
 
2
((Si,Al,Fe
3+
 
)O
 
4
)
 
3
Knorringite
Mg
 
3
Cr
 
2
(SiO
 
4
)
 
3
Majorite
Mg
 
3
(Fe
2+
 
,Si,Al)
 
2
(SiO
 
4
)
 
3
Menzerite-(Y)
{(Y,REE)(Ca,Fe
2+
 
)
 
2
}[(Mg,Fe
2+
 
)(Fe
3+
 
,Al)]
 
2
[SiO
 
4
]
 
3
Momoiite
(Mn
2+
 
,Ca)
 
3
V
3+
2
(SiO
 
4
)
 
3
Morimotoite
Ca
 
3
(Ti,Fe
2+
 
,Fe
3+
 
)
 
2
((Si,Fe
3+
 
)O
 
4
)
 
3
Palenzonaite
(Ca,Na)
 
3
CaMn
2+
2
(VO
 
4
)
 
3
Pyrope
Mg
 
3
Al
 
2
(SiO
 
4
)
 
3
Schäferite
Ca
 
2
NaMg
 
2
(VO
 
4
)
 
3
Schorlomite
Ca
 
3
(Ti,Fe
3+
 
)
 
2
((Si,Fe
3+
 
)O
 
4
)
 
3
Spessartine
Mn
2+
3
Al
 
2
(SiO
 
4
)
 
3
Toturite
Ca
 
3
Sn
 
2
(SiO
 
4
)(Fe
3+
 
O
 
4
)
 
2
Uvarovite
Ca
 
3
Cr
 
2
(SiO
 
4
)
 
3
Yafsoanite
Ca
 
3
Zn
 
3
(TeO
 
6
)
 
2

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 Skiagite

Reference List:

- +
Fermor, L. L. (1926): On the composition of some Indian garnets. Records Geol. Surv. India, 59, Pt. 2, 191-207.

V. Milman, E. V. Akhmatskaya, R. H. Nobes, B.Winkler, C. J. Pickard and J. A.
White (2001): Systematic ab initio study of the compressibility of silicate garnets. Acta Crystallogr. B57, 163–177.

Internet Links for Skiagite

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