Primary Stone / Aquamarine

Gemstone: Aquamarine

Gemstone Family: Beryl

Gemstone Count: 5

Total Carat Weight: 2.23

Gemstone Shape: Oval

Primary Color: blue

Color: Blue

Treatment: Heated

Country of Origin: Madagascar

Composition: Natural

Dimensions: 6.00 x 4.00 mm

 

Aquamarine gemology
Species: Beryl
Color: Light blue to dark blue, blue green
Chemical composition: Al2Be3Si6O18, aluminum beryllium silicate
Crystal system: (Hexagonal), hexagonal prisms
Hardness: 7.5-8 (Mohs scale)
Specific gravity: 2.68 - 2.74
Refractive index: 1.564 - 1.596
Birefringence: -0.004 to - -0.005
Optical character:
Color of streak: White
Absorption spectrum: 537, 456, 427
Fluorescence: None