Mineralogy Database

Petalite Mineral Data

Search Webmineral :

General Petalite Information

Help on Chemical  Formula: Chemical Formula: LiAlSi4O10
Help on Composition: Composition: Molecular Weight = 305.15 gm
   Lithium    2.09 %  Li    4.50 % Li2O
   Aluminum   8.75 %  Al   16.54 % Al2O3
   Silicon   36.72 %  Si   78.56 % SiO2
   Oxygen    52.43 %  O
            ______        ______ 
            100.00 %       99.61 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Li0.92Al0.99Si3.99O10
Help on Environment: Environment: In granite pegmatites, locally constituting an ore of lithium.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1800
Help on Locality: Locality: Mining Academy, Freiberg, Germany, Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek petalon - "leaf" in allusion to the perfect basal cleavage.
Help on Name Pronunciation: Name Pronunciation: Petalite Say PETALITE
Help on Synonym: Synonym: ICSD 100348
  PDF 35-463