Petalite R040100

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Record 111 of 133  

Name: Petalite
RRUFF ID: R040100
Ideal Chemistry: LiAlSi4O10
Locality: Brazil
Source: Bob Downs
Owner: RRUFF
Description: Pale purple cut gemstone
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Not in a structural group (133) ]
Quick search: [ All Petalite samples (2) ]
RRUFF ID: R040100.2
Sample Description: Microprobe fragment
Measured Chemistry: Li1.00Al1.00Si4.00O10
Sample Description: Unoriented sample

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Raman Mode Analysis
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RRUFF ID: R040100
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R040100.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R040100.1
Sample Description: Powder
Cell Refinement Output: a: 11.750(2)Å    b: 5.1395(5)Å    c: 7.625(1)Å
alpha: 90.°    beta: 113.00(1)°    gamma: 90.°   Volume: 423.90(7)Å3    Crystal System: monoclinic
  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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Petalite

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]

d’Andrada J B (1800) Der Eigenschaften und Kennzeichen einiger neuen Fossilien aus Schweden und Norwegen nebst einigen chemischen Bemerkungen über dieselben, Allgemeines Journal der Chemie, 4, 28-39   [view file]

d’Andrada J B (1801) Description of some new fossils (Old English translation), A Journal of Natural Philosophy, Chemistry, and the Arts, 5, 193-196; 211-213   [view file]

Clarke E D (1818) Description and analysis of a substance called petalite, from Sweden, Annals of Philosophy, 11, 194-198   [view file]

Nel H J (1946) Petalite and amblygonite from Karibib, South West Africa, American Mineralogist, 31, 51-57   [view file]

Tagai T, Ried H, Joswig W, Korekawa M (1982) Kristallographische untersuchungen eines petalits mittels neutronenbeugung und transmissionselektronenmikroskopie, Zeitschrift für Kristallographie, 160, 159-170   [view file]

Černý P, London D (1983) Crystal chemistry and stability of petalite, Tschermaks Mineralogische und Petrographische Mitteilungen, 31, 81-96

Charoy B, Noronha F, Lima A (2001) Spodumene – petalite – eucryptite: mutual relationships and pattern of alteration in Li-rich aplite-pegmatite dykes from northern Portugal, The Canadian Mineralogist, 39, 729-746   [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]

Knight K S (2014) The temperature-dependance of the volume expansivity and the thermal expansion tensor of petalite between 4.2 K and 600 K, Journal of Mineralogical and Petrological Sciences, 109, 118-124

Ross N L, Zhao J, Slebodnick C, Spencer E C, Chakoumakos B C (2015) Petalite under pressure: elastic behavior and phase stability, American Mineralogist, 100, 714-721

Dias F, Lima A, Roda-Robles E (2019) Mutual relationships between spodumene and petalite from the Iberian massif pegmatites: More than PT changes?, The Canadian Mineralogist, 57, 731-732