Amber

Amber is the hardened resin of ancient trees. This organic substance is most well-known for the incredible inclusions of insects that can be found within it. People have been making amber jewelry for over 10,000 years.

• Color: Yellow, red, orange, brown, cream, or blackish; Rarely blue, green, or violet

• Streak: White

• Luster: Waxy or resinous

• Cleavage: None

• Refractive index: 1.540

• Mohs Hardness Scale: 2 – 2.5

• Specific Gravity: 1 – 1.10

• Crystal Structure: Amorphous (none)

• Luminescence: Sometimes fluorescence; Yellow or gray-blue in SW-UV, pale blue or green in LW-UV; Rare stones appear green, blue, or purple from intense fluorescence