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Unnamed (Na–Ca–K–S-rich carbonate)

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Formula:
(Na,K)6Ca4(CO3,SO4)7
Crystal System:
Orthorhombic
It occurs as anhedral and, more rarely, tabular grains. Sometimes, this carbonate occurs as microphenocrysts (grains 0.3–0.5 mm). The Na-Ca-K-S-rich carbonate contains crystalline inclusions of olivine, phlogopite, monticellite, spinel-group minerals, perovskite, calcite, apatite, and aphthitalite carbonates


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Name EncodingHide

Latin-1:
Unnamed (Na-Ca-K-S-rich carbonate)
ASCII-7:
Unnamed (Na-Ca-K-S-rich carbonate)

Unique IdentifiersHide

Mindat ID:
472152
Long-form identifier:
mindat:1:1:472152:5

Chemistry of Unnamed (Na–Ca–K–S-rich carbonate)Hide

Mindat Formula:
(Na,K)6Ca4(CO3,SO4)7
Element Weights:
Element% weight
O46.775 %
Ca22.318 %
Na19.203 %
C11.705 %

Calculated from ideal end-member formula.

Crystallography of Unnamed (Na–Ca–K–S-rich carbonate)Hide

Crystal System:
Orthorhombic

Synonyms of Unnamed (Na–Ca–K–S-rich carbonate)Hide

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 Unnamed (Na–Ca–K–S-rich carbonate)Hide

References for Unnamed (Na–Ca–K–S-rich carbonate)Hide

Localities for Unnamed (Na–Ca–K–S-rich carbonate)Hide

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
 
  • Sakha
    • Mirninsky District
      • Daldyn
        • Udachnaya open-pit mine (Udachnaya-Vostochnaya pipe; Udachnaya pipe)
Golovin (2025)
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