Primary Stone / Madeira Citrine

Gemstone: Madeira Citrine

Gemstone Family: Quartz

Gemstone Count: 1

Carat Weight: .72

Gemstone Shape: Oval

Primary Color: orange

Color: Orange

Treatment: Heated

Country of Origin: Brazil

Composition: Natural

Dimensions: 7.00 x 5.05 x 3.24 mm

Citrine gemology
Species: Quartz
Color: Light to dark yellow, gold-brown
Chemical composition: SiO, silicon dioxide
Crystal system: Hexagonal (trigonal), hexagonal prisms with pyramids
Hardness: 7 (Mohs scale)
Specific gravity: 2.65
Refractive index: 1.544 - 1.553
Birefringence: +0.009
Optical character:
Color of streak: White
Absorption spectrum: Not diagnostic
Fluorescence: None