About Stannite
A copper iron tin sulfide, typically steel-grey to black. It's associated with prosperity, intellect, and practical problem-solving. (An ore of tin).
Primary Hues
Steel-Grey to Iron-Black, often with a bluish or yellowish tarnish, forms tetrahedral crystals or massive
Geological & Scientific Details
Stannite is classified as a sulfide mineral mineral which typically crystallizes in the tetragonal system. Its chemical formula is Cu2FeSnS4. Common crystal habits include rarely as pseudo-octahedral crystals also massive, granular, and disseminated.
Key Geological Properties:
- Mineral Category: Sulfide mineral
- Chemical Formula: Cu2FeSnS4
- IMA Symbol: Stn[1]
- Crystal System: Tetragonal
- Predominant Geological Color: Steel-gray to iron-black, may tarnish blue
- Crystal Habit: Rarely as pseudo-octahedral crystals also massive, granular, and disseminated
- Twinning: Penetration twins on {102}
- Cleavage: Indistinct on {110} and {001}
- Luster: Metallic
- Streak: Black
- Diaphaneity: Opaque
Associated Minerals
- Cassiterite
- Chalcopyrite
- Sphalerite
- Arsenopyrite
- Pyrite
- Wolframite
- Quartz