Natural Agate

Agate is named after the river Achates in Greece, where it was discovered and named by Theophrastus in ancient times, in about the 3rd to 4th centuries BC. There are many varieties of agate that can be found throughout the world, some which exhibit beautiful colors, banding, and quartz-lined cavities.

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Product Description

FOUND IN: BRAZIL, CHINA, INDIA, SCOTLAND & USA

Agate is a semi-precious gemstone, and defined as a “banded chalcedony”, or a variety of quartz, filled with a translucent, multicolored chalcedony, some with parallel bands. The composition is silica with a variety of trace elements.  The names of agate varieties are chosen for their appearance or how they are cut. Therefore, there are many agate “varieties”

METAPHYSICAL:
n/a

SCIENTIFIC:
Color: Colorless with green inclusions
Color of streak: White
Moh’s hardness: 6½-7
Specific gravity: 2.58-2.62
Cleavage: None
Fracture: Rough
Crystal system: Hexagonal (triagonal), microcrystalline
Chemical composition: SiO2 silicon dioxide
Transparency: Translucent
Refractive index: 1.54-1.55
Double refraction: up to +0.006
Dispersion: None
Pleochroism: None
Absorption spectrum: Not usable
Fluorescence: Variable

 

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