Molybdophyllite R070222

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Record 2 of 2  

Name: Molybdophyllite
RRUFF ID: R070222
Ideal Chemistry: Pb8Mg9[Si10O28(OH)8O2(CO3)3]·H2O
Locality: Langban, Filipstad, Varmland, Sweden
Source: Michael Scott S100445 [view label]
Owner: RRUFF
Description: Colorless tabular crystals associated with hausmannite, with cell parameters that match the so-called molybdophyllite-18 phase (Kolitsch et al, 2012)
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Molybdophyllite (2) ]
Sample Description: Unoriented sample

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RRUFF ID: R070222
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070222.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.347(7)Å    b: 9.354(5)Å    c: 18.912(8)Å
alpha: 75.90(3)°    beta: 85.58(3)°    gamma: 60.15(2)°   Volume: 1388.9(7)Å3    Crystal System: triclinic

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REFERENCES for Molybdophyllite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Flink G (1901) Mineralogische Notizen. 4. Molybdophyllit, ein neues Mineral von Långbanshyttan in Wermland, Schweden, Bulletin of the Geological Institution of the University of Upsala, 5, 81-96   [view file]

Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541

Charalampides G, Linqvist B (1988) Chapter 4, Ganomalite, margarosanite and molybdophyllite from Långban, south-central Sweden, and synthetic equivalents, in Compositional Variations of Natural and Synthetic Lead Silicates of Langban-type Dissertation submitted to Meddelanden från Stockholms Universitets Geologiska Nr273, 1-24   [view file]

Jambor J L, Pertsev N N, Roberts A C (1996) New Mineral Names, American Mineralogist, 81, 516-520   [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]

Kolitsch U, Merlino S, Holtstam D (2012) Molybdophyllite: crystal chemistry, crystal structure, OD character and modular relationships with britvinite, Mineralogical Magazine, 76, 493-512   [view file]