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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 |
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| Mineral Group: [ Not in a structural group (133) ] | ||
| Quick search: [ All Petalite samples (2) ] | ||
| CHEMISTRY | ||||||||
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| POWDER DIFFRACTION | ||||||||
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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 |
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| REFERENCES for Petalite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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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] |
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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] |
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Clarke E D (1818) Description and analysis of a substance called petalite, from Sweden, Annals of Philosophy, 11, 194-198 [view file] |
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Nel H J (1946) Petalite and amblygonite from Karibib, South West Africa, American Mineralogist, 31, 51-57 [view file] |
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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] |
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Černý P, London D (1983) Crystal chemistry and stability of petalite, Tschermaks Mineralogische und Petrographische Mitteilungen, 31, 81-96 |
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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] |
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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] |
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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 |
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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 |
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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 |
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