About Stibnite
Antimony trisulfide, known for its lead-grey metallic luster and long, striated prismatic crystals. It's a stone of transformation, protection, and manifestation, aiding in releasing the old. (Antimony content, handle with care).
Primary Hues
Lead-Grey, Steel-Grey, Tarnishes black or iridescent, often forms long, slender prismatic or acicular crystals with striations, metallic luster (can be flexible)
Geological & Scientific Details
Stibnite is classified as a sulfide mineral mineral which typically crystallizes in the orthorhombic system. Its chemical formula is Sb2S3. Common crystal habits include massive, radiating and elongated crystals. massive and granular.
Key Geological Properties:
- Mineral Category: Sulfide mineral
- Chemical Formula: Sb2S3
- IMA Symbol: Sbn[1]
- Crystal System: Orthorhombic
- Predominant Geological Color: Lead-gray, tarnishing blackish or iridescent; in polished section, white
- Crystal Habit: Massive, radiating and elongated crystals. Massive and granular
- Twinning: Rare
- Cleavage: Perfect and easy on {010}; imperfect on {100} and {110}
- Luster: Metallic[2]
- Streak: Lead grey
- Diaphaneity: Opaque
Associated Minerals
- Valentinite
- Senarmontite
- Stibiconite
- Cervantite
- Realgar
- Orpiment
- Pyrite
- Galena
- Sphalerite
- Quartz
- Calcite
- Barite