Treasurite (original) (raw)

A valid IMA mineral species

About TreasuriteHide

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Specific Gravity:

7.25 (Calculated)

Crystal System:

Monoclinic

Name:

Named after its discovery locality, the Treasure Vault Mine, Colorado, USA.

This page provides mineralogical data about Treasurite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:4008:8

33200351-6d84-40b5-adc6-4ddcf1c480f6

IMA Classification of TreasuriteHide

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IMA Formula:

Ag7Pb6Bi15S30

Type description reference:

Classification of TreasuriteHide

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2.JB.40a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb

3.6..3

3 : SULFOSALTS
6 : 2 < ø < 2.49

5.7.38

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Pronunciation of TreasuriteHide

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Pronunciation:

Physical Properties of TreasuriteHide

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Density:

7.25 g/cm3 (Calculated)

Optical Data of TreasuriteHide

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Anisotropism:

Distinct to strong, in light gray to steel bluish black.

Colour in reflected light:

White

Chemistry of TreasuriteHide

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Mindat Formula:

Ag7Pb6Bi15S32

Crystallography of TreasuriteHide

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Crystal System:

Monoclinic

Cell Parameters:

a = 26.538(20) Å, b = 4.092(7) Å, c = 13.349(10) Å
β = 92.77(7)°

Ratio:

a:b:c = 6.485 : 1 : 3.262

Unit Cell V:

1,447.92 ų (Calculated from Unit Cell)

Comment:

Point Group: 21m, 2, or m. Space Group: B2/m, B2, or Bm.

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of TreasuriteHide

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Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, R9714.

Reference:

Makovicky E, Karup-Møller S (1977) Chemistry and crystallography of the lillianite homologous series. Part II: Definition of new minerals: eskimoite, vikingite, ourayite, and treasurite. Redefinition of schirmerite and new data on the lillianite-gustavite solid solution series. Neues Jahrbuch für Mineralogie, Abhandlungen 131, 56-82

Synonyms of TreasuriteHide

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Other Language Names for TreasuriteHide

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Relationship of Treasurite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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 TreasuriteHide

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References for TreasuriteHide

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Localities for TreasuriteHide

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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.