The abundance and color variety of quartz makes it highly popular among all the minerals found on the Earth. Characterized with a unique crystalline nature and alluring color hues, quartz is widely used to make various jewelry. While some quartz varieties are common, a few colored quartz gemstones are very rare and expensive. With higher hardness, quartz stones are a highly durable form of colored gemstones available. Quartz stones are highly versatile, as they can be cut and carved into varied shapes.
Properties of Quartz Stones
- Colors – Colorless to Pink, yellow, white, grey, red, green, among others.
- Transparent & opaque.
- Refractive Index – 1.54 to 1.55.
- Specific Gravity – 2.651.
- Mineral Hardness range – 7 Mohs.
- Vitreous luster.