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All Duffy's Minerals (Luster: Metallic (Hardness: Hard (Streak: Black …

- - - - Special: Magnetic
        
        Magnetite
      - Color: Gold or Brass
        
        Pyrite
    - - Hematite
  - - - Special: Greasy Feel
        
        Graphite
  - - - Special: Very Dense
        
        Galena
- - - - Streak: White-None
        
        Color: Green-Brown
        
        Olivine
        
        Color: Red-Brown/Glassy
        
        Garnet
      - Streak: Pale Green-White
        
        Color: Black
        
        Amphibole
    - - Streak: Red-Brown
        
        Hematite
    - - Cleavage: Perfect one directional
        
        Biotite Mica
  - - - Cleavage: 2 directional
        
        Color: Pink/Yellow/White
        
        Potassium Feldspar
        
        Color: Gray
        
        Plagioclase Feldspar
      - Cleavage: None, Fracture Only
        
        Quartz
      - Cleavage: Perfect one directional
        
        Special: Very Hard
        
        Topaz
    - - Cleavage: Perfect one directional
        
        Muscovite Mica
      - Cleavage: Sometimes Wavy
        
        Color: Clear
        
        Selenite Gypsum
      - Cleavage: Poor or None
        
        Color: White, Gray, or Pink
        
        Special: Soapy Feeling
        
        Talc
        
        Feels Chalky
        
        Gypsum
        
        Color: Yellow
        
        Sulfur