Tiptopite R070609

Name: Tiptopite
RRUFF ID: R070609
Ideal Chemistry: K2(Li,Na,Ca)6(Be6P6)O24(OH)2·1.3H2O
Locality: Tip Top mine, Custer County, South Dakota, USA
Source: Dakota Matrix Minerals [view label]
Owner: RRUFF
Description: Radiating colorless prismatic crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Groups: [ cancrinite (11) ] [ cancrinite-sodalite (37) ]
Sample Description: Unoriented sample

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RRUFF ID: R070609
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070609.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 11.647(4)Å    b: 11.647(4)Å    c: 4.690(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 550.9(6)Å3    Crystal System: hexagonal
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Tiptopite

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]

Hassan I, Grundy H D (1984) The crystal structures of sodalite-group minerals, Acta Crystallographica, B40, 6-13

Grice J D, Peacor D R, Robinson G W, Van Velthuizen J, Roberts W L, Campbell T J, Dunn P J (1985) Tiptopite (Li,K,Na,Ca,◻)8Be6(PO4)6(OH)4, a new mineral species from the Black Hills, South Dakota, The Canadian Mineralogist, 23, 43-46   [view file]

Dunn P J, Chao G Y, Fitzpatrick J J, Langley R H, Fleischer M, Zilczer J A (1986) New mineral names, American Mineralogist, 71, 227-232   [view file]

Peacor D R, Rouse R C, Ahn J H (1987) Crystal structure of tiptopite, a framework beryllophosphate isotypic with basic cancrinite, American Mineralogist, 72, 816-820   [view file]