About Stilbite
A common zeolite mineral, often forming white to pinkish sheaf-like crystal aggregates. It's a stone of loving creativity, gentle spiritual expansion, and aiding clear thought during meditation.
Primary Hues
Colorless, White, Yellow, Brown, Pink, Salmon, Orange, Red, forms tabular crystals or radiating groups
Geological & Scientific Details
Stilbite is classified as a tectosilicate minerals, zeolite group, stilbite subgroup mineral which typically crystallizes in the monoclinic, also triclinic and orthorhombic system. Its chemical formula is Stilbite-Ca: NaCa4(Si27Al9)O72·28(H2O)Stilbite-Na: Na9(Si27Al9)O72·28(H2O). Common crystal habits include thin tabular, aggregates sheaf-like or in bow-ties, also fibrous and globular..
Key Geological Properties:
- Mineral Category: Tectosilicate minerals, zeolite group, stilbite subgroup
- Chemical Formula: Stilbite-Ca: NaCa4(Si27Al9)O72·28(H2O)Stilbite-Na: Na9(Si27Al9)O72·28(H2O)
- IMA Symbol: Stb[1]
- Crystal System: Monoclinic, also triclinic and orthorhombic
- Formula Mass (g/mol): Stilbite-Ca: 2,840 g/mol Stilbite-Na: 2,864 g/mol
- Predominant Geological Color: Usually colorless, white or pink
- Crystal Habit: Thin tabular, aggregates sheaf-like or in bow-ties, also fibrous and globular.
- Twinning: Very common on {001}
- Cleavage: Perfect on {010}
- Luster: Vitreous, pearly on {010}
- Streak: White
- Diaphaneity: Transparent to translucent