Tokkoite R140848

Name: Tokkoite
RRUFF ID: R140848
Ideal Chemistry: K2Ca4Si7O18(OH)F
Locality: Magistral'nyi Area, Sirenevyi Kamen' Deposit, Murunskii Massif, Chara And Tokko Rivers Confluence, Aldan Shield, Sakha Republic, Eastern-Siberian Region, Russia
Source: Rock Currier [view label]
Owner: RRUFF
Description: Yellow-tan prismatic crystals.
Status: The identification of this mineral has been confirmed by X-ray diffraction.
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R140848
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R140848
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.480(3)Å    b: 12.588(5)Å    c: 7.153(2) Å
alpha: 89.898(15)°    beta: 99.766(15) °    gamma: 92.868(14) °   Volume: 928.8(8)Å3    Crystal System: triclinic

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REFERENCES for Tokkoite

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]

Lazebnik K A, Nikishova L V, Lazebnik Y D (1986) Tokkoite - a new mineral, Mineralogiceskij Zhurnal, 8, issue 3 85-89   [view file]

Hawthorne F C, Burke E A J, Ercit T S, Grew E S, Grice J D, Jambor J L, Puziewicz J, Roberts A C, Vanko D A (1988) New mineral names, American Mineralogist, 73, 189-199   [view file]

Rozhdestvenskaya I V, Nikishova L V, Lazebnik Yu D, Lazebnik K A (1989) The crystal structure of tokkoite and its relation to the structure of tinaksite, Zeitschrift für Kristallographie, 189, 195-204   [view file]

Jambor J L, Puziewicz J (1990) New mineral names, American Mineralogist, 75, 1209-1216   [view file]

Lacalamita M, Mesto E, Kaneva E, Scordari F, Pedrazzi G, Vladykin N, Schingaro E (2017) Structure refinement and crystal chemistry of tokkoite and tinaksite from the Murun massif (Russia), Mineralogical Magazine, 81, 251-272