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Vaalite

A variety of Vermiculite
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Formula:
(Mg,Fe)7(Si,Al,Fe)8O20(OH)4 · 2H2O
A variety of Vermiculite that was originally described from Vaal river, South Africa.


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Unique IdentifiersHide

Mindat ID:
4131 (as Vaalite)
4170 (as Vermiculite)
Long-form identifier:
mindat:1:1:4131:3 (as Vaalite)
mindat:1:1:4170:2 (as Vermiculite)

Similar NamesHide

AvaliteA variety of 'Illite' [Muscovite]KAl2(AlSi3O10)(OH)2
FahleiteA valid IMA mineral speciesCaZn5Fe23+(AsO4)6 · 14H2O
FahlitA synonym of 'Tennantite-Tetrahedrite Series'
FaialiteA synonym of Fayalite
FeliteA synonym of Larnite
Valaite
VanaliteA valid IMA mineral speciesNaAl9V12O42(OH)4 · 33H2O
Viluite
Viluite (of Severgin)A synonym of Grossular
Viluite (of von Leonhard)A synonym of Wiluite
ViolateA synonym of 'Violan'
VioliteA synonym of Copiapite

Chemistry of VaaliteHide

Mindat Formula:
(Mg,Fe)7(Si,Al,Fe)8O20(OH)4 · 2H2O
Element Weights:
Element% weight
O50.800 %
Si27.438 %
Mg20.777 %
H0.985 %

Calculated from ideal end-member formula.

Other Language Names for VaaliteHide

German:Vaalit
Spanish:Vaalita

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for VaaliteHide

References for VaaliteHide

Localities for VaaliteHide

Showing 1 localities.

ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
South Africa
 
Story-Maskelyne et al. (1874)
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