Dalyite R070415
Name: Dalyite
RRUFF ID: R070415
Ideal Chemistry: K2ZrSi6O15
Locality: Murunskyi Massif, Chara River (Charo River), Davan, Torgo River Basin, Aldan Shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Source: Michael Scott S102133 [view label]
Owner: RRUFF
Description: Lavender grains in quartz
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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RRUFF ID: R070415
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Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070415.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.3123(7)Å    b: 7.6050(8)Å    c: 6.9221(7)Å
alpha: 105.760(5)°    beta: 112.358(5)°    gamma: 99.376(5)°   Volume: 326.93(8)Å3    Crystal System: triclinic
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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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DIF File
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REFERENCES for Dalyite

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]

Fleischer M (1952) New mineral names, American Mineralogist, 37, 1070-1073   [view file]

Van Tassel R, Hey M H (1952) Dalyite, a new potassium zirconium silicate, from Ascension Island, Atlantic, Mineralogical Magazine, 29, 850-857   [view file]

Fleet S G (1965) The crystal structure of dalyite, Zeitschrift für Kristallographie, 121, 349-368   [view file]

Harris C, Rickard R S (1987) Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica, The Canadian Mineralogist, 25, 755-762   [view file]

Jeffery A J, Gertisser R, Jackson R A, O'Driscoll B, Kronz A (2016) On the compositional variability of dalyite, K2ZrSi6O15: a new occurrence from Terceira, Azores, Mineralogical Magazine, 80, 547-565