Sapphire

It may be the most popular colored gemstone. It is certainly the most versitle blue gem.

Sapphire is hard, durable and available n a range of colors from cornflower blue to midnight blue.

But sapphire is more than blue. Excellent gemstones in white, green, yellow, orange and purple. Note: We do not list "pink" sapphire. As far as we are concerned, "pink" sapphire is actually ruby with low saturation.

Before you disagree, try to find the color pink on a color wheel.

Kashmir sapphire is the most valuable its velvety texture of almost magical. If you ever see a good one you will never forget it.

Properties

• Crystal System - Hexagonal
• Hardness - 9
• Specific Gravity - 3.99 to 4.0
• Refraction - Double
• Refractive Index - 1.757 to 1.779
• Dispersion - .018
• Birefringence - .008 to .009
• Wearability - Excellent
• Special Care - None