Opal Ethiopian: the gem of color and light
Opal Ethiopian: a gem for true connoisseurs
Online sales of natural stones opal ethiopian of excellent quality. Charming shapes and colors to please anyone, from the most demanding collectors to those who love to make unique jewels of original mold.
For those who love unconventional gems, the opal represents a perfect synthesis of natural beauty, uniqueness and optical complexity.
In our e-commerce we present a selection of ethiopian opal excellent. Discover the entire collection of ethiopian opal selected by Lineagem.
Discover the entire collection of jewelry in opal and opal wires!
Origin, composition and gemological characteristics of the opal
THEoptimal is a gem that has always fascinated gemologists and collectors for its nature amorphous and the phenomenal color game that distinguishes him. Unlike crystal gems, the opal is composed of silica moisturizes in the form of gel, with a water content that can reach up to 20%.
The Opal presents a hardness between 5 and 6.5 on the Mohs scale, one refractive index average of 1,45 and a specific weight variable. It's a gem delicate but extremely recognizable for its vivacity.
THEopal ethiopian it is hydrogen, or may absorb water, temporarily altering color or transparency. Still remains a very appreciated stone for its beauty.
THEextraction however it still happens craft and in quantity limited, making each piece rare and single.
The phenomenon of color play
Its internal structure, formed by silica microspheres, is responsible for diffraction of light and the optical effect known as play-of-color, or the characteristic play of cangiant colors defined as opalescence.
The most valuable varieties of opals: besides the Ethiopian also the noble and Australian
Beyond the Opal Ethiopian, known for its translucent game of vivid colors and pattern like the “honeycomb” or the “flashfire”, among the most valuable varieties we also find theopal noble and theaustralian opal. There are then an infinite variety of other opals, less known but surely of great visual impact characterized all by a very light specific weight.
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