fluorite ore in gypsum and calcite
Hardness: Mineral Properties - The Mineral and Gemstone KingdomInformation on the mineral property Hardness. . understand the following example: Suppose a mineral scratches Fluorite, but . Mineral struck with rod or mineral number 2 (Gypsum). . Mineral struck with rod or mineral number 3 (Calcite).fluorite ore in gypsum and calcite,The Learning Zone: Mineral DetectivesLook at the scale below - click on the pictures to find out about each mineral. The ten minerals of the Mohs scale 1. Talc 2. Gypsum 3. Calcite 4. Fluorite 5.The Amazing World of Minerals - Earth Science - UC Santa BarbaraSince every mineral is chemically and structurally unique, every mineral has . Most used method is the Mohs Scale; 1)Talc 2) Gypsum 3) Calcite 4) Fluorite.