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Sulfalumite

Valid as an unnamed mineral
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Formula:
(Al,Fe3+,Ti)2(SO4)3
Colour:
White
Lustre:
Earthy
Specific Gravity:
2.932 (Calculated)
Name:
In allusion to the composition, being a SULFate of ALUMinium.
A substance of anthropogenic origin (burning coal mine dumps). Current IMA regulations do not allow such substances to be validated as mineral species.

Described as "trigonal millosevichite". X-ray pattern corresponds to that of synthetic Al2(SO4)3.

Strongly hygroscopic.

Compare UM1976-22-SO:AlFeH.



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Unique IdentifiersHide

Mindat ID:
32155
Long-form identifier:
mindat:1:1:32155:6

IMA Classification of SulfalumiteHide

IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, but probably valid.

Physical Properties of SulfalumiteHide

Lustre:
Earthy
Colour:
White
Density:
2.932 g/cm3 (Calculated)

Chemistry of SulfalumiteHide

Mindat Formula:
(Al,Fe3+,Ti)2(SO4)3
Element Weights:
Element% weight
O56.114 %
S28.115 %
Al15.772 %

Calculated from ideal end-member formula.
Elements listed:
Al, Fe, O, S, Ti - search for minerals with similar chemistry

Other InformationHide

Notes:
Readily hydrates in air. Slowly soluble in water.
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 SulfalumiteHide

References for SulfalumiteHide

Localities for SulfalumiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
Russia
 
  • Chelyabinsk Oblast
Chesnokov et al. (1988)
Cesnokov et al. (1998)
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