Mineralogy Database

Dimorphite Mineral Data

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General Dimorphite Information

Help on Chemical  Formula: Chemical Formula: As4S3
Help on Composition: Composition: Molecular Weight = 395.88 gm
   Arsenic  75.70 %  As
   Sulfur   24.30 %  S
           100.00 % 
Help on Empirical Formula: Empirical Formula: As4S3
Help on Environment: Environment: Deposited at a fumerolic vent at temperatures of about 70-80 degrees Celcius.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1850
Help on Locality: Locality: From the Solfatara, Campi Flegrei, near Naples, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "two" and "form," in reference to the two forms in which the species was thought to occur.
Help on Name Pronunciation: Name Pronunciation: Dimorphite + Pronunciation Say DIMORPHITE