Mineralogy Database

Afwillite Mineral Data

Search Webmineral :

General Afwillite Information

Help on Chemical  Formula: Chemical Formula: Ca3Si2O4(OH)6
Help on Composition: Composition: Molecular Weight = 342.45 gm
   Calcium   35.11 %  Ca   49.13 % CaO
   Silicon   16.40 %  Si   35.09 % SiO2
   Hydrogen   1.77 %  H    15.78 % H2O
   Oxygen    46.72 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3(Si2O4)(OH)6
Help on Environment: Environment: A product of contact metamorphism of limestones.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1925
Help on Locality: Locality: From the Dutoitspan diamond mine, Kimberley, and the Wessels mine, near Kuruman, Cape Province, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Alpheus Fuller Williams (1874-1953), General Manager, DeBeers Consolidated Mines, Kimberley, South Africa.
Help on Name Pronunciation: Name Pronunciation: Afwillite + Pronunciation Say AFWILLITE
Help on Synonym: Synonym: ICSD 18
  PDF 29-330