About Polydymite
A nickel sulfide of the Linnaeite group, typically steel-grey. It's associated with strength, vitality, and enhancing personal power.
Primary Hues
Steel-Grey, Light Grey, often with a metallic luster
Geological & Scientific Details
Polydymite is classified as a sulfide mineral thiospinel group spinel structural group mineral which typically crystallizes in the cubic system. Its chemical formula is Ni3S4. Common crystal habits include as octahedral crystals, massive, granular to compact.
Key Geological Properties:
- Mineral Category: Sulfide mineral Thiospinel group Spinel structural group
- Chemical Formula: Ni3S4
- IMA Symbol: Pld[1]
- Crystal System: Cubic
- Predominant Geological Color: Pale to steel-gray
- Crystal Habit: As octahedral crystals, massive, granular to compact
- Twinning: Twinning on {111}
- Cleavage: Indistinct on {001}
- Luster: Metallic
- Streak: Black gray
- Diaphaneity: Opaque
Associated Minerals
- Linnaeite
- Siegenite
- Violarite
- Pentlandite
- Millerite
- Chalcopyrite
- Pyrite