16/01/2026
What is Garnet?
Garnet is a silicate mineral family used as a gemstone for thousands of years in jewelry and ornaments.
Chemical structure:
Garnets share a similar crystal structure but differ in chemical composition.
Main Types of Garnet
Here are the most important garnet varieties:
1. Almandine – Deep red to brownish red (most common)
2. Pyrope – Dark blood-red (very popular in jewelry)
3. Rhodolite – Purple-red (pyrope + almandine mix)
4. Spessartine – Orange to reddish-orange
5. Grossular – Green, yellow, or brown
• Tsavorite (bright green, very valuable)
6. Andradite – Green to black
• Demantoid (rare, high value, strong brilliance)
Key Properties
• Hardness: 6.5 – 7.5 on Mohs scale
• Luster: Glassy (vitreous)
• Crystal system: Cubic
• Transparency: Transparent to opaque
Uses of Garnet
• 💍 Jewelry (rings, necklaces, earrings)
• 🛠️ Industrial use (abrasives, water-jet cutting)
• 🌍 Astrology & healing (energy, protection, confidence)
Garnet in Sri Lanka 🇱🇰
Sri Lanka is famous for high-quality garnets, especially:
• Rhodolite
• Almandine
• Hessonite (Cinnamon stone – Gomed)
Garnet
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