Specifications

Weight: 0.53 CT

Type: Natural Opal

Gem Species: Opal

Color: Ethiopian

Shape: Oval

Size: 7 x 5 mm

Quality: Standard

Quality Description: Natural, from Ethiopia, yellow to white body color, translucent to semi translucent, bright play of color in range of patterns and hues.

Cut: Cabochon

Month for Birthstone: October

Enhancement Code: Natural

Hardness: 5-6.5

Refractive Index: 1.45

Specific Gravity: 2.15

Optic Character: Single Refraction

Phenomena: Play of color

Care: Avoid dry storage and exposure to water and heat and chemicals. Never use with ultrasonic and steam cleaner.

Ultrasonic Reaction: Never use

Steamer Reaction: Never use

Chemical Reaction: Hydrofluoric acid

Heat Reaction: Very Poor - Should never be heated