Unformatted text preview: calcite This sample is not silver in color. 3 color = gold hardness = between 2.5 and 5.5 (softer than glass so not pyrite) chalcopyrite 4 harder than glass so not calcite also does not fizz in acid mineral name= quartz 5 luster = metallic excellent three directions of cleavage - biotite only has one galena 6 galena has three directions of cleavage this mineral does not have cleavage it is hematite 8 This mineral is softer than glass and excellent one direction of cleavage with elastic flakes so it is muscovite . You started off with metallic luster which put you into the wrong area on the flow chart. 9 This sample has cleavage = orthoclase...
View Full Document
- Fall '10