Sulfalumite (original) (raw)

Valid as an unnamed mineral

Formula:

(Al,Fe3+,Ti)2(SO4)3

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.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:32155:6

373fb2f5-4596-4e61-9c4b-f67c79fdd6aa

IMA Classification of SulfalumiteHide

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IMA status notes:

Unnamed (probably valid)

Approval history:

Unnamed, but probably valid.

Physical Properties of SulfalumiteHide

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Density:

2.932 g/cm3 (Calculated)

Chemistry of SulfalumiteHide

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Mindat Formula:

(Al,Fe3+,Ti)2(SO4)3

Other InformationHide

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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.

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References for SulfalumiteHide

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Localities for SulfalumiteHide

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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

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- 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.