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Euclase
Euclase has an impressive blue to blue-green hue. It is one of the rare stones that is produced in small quantities and difficult to cut due to its brittle nature. In addition to blue, it also comes in other colors such as colorless, pink, yellow, and green.
Karatz GemMagazine
" Euclace "
Karatz GemMagazine
" Euclace "
Colombian Euclase 0.225ct loose
¥22,800
Euclase from Zimbabwe 0.385ct loose
¥118,000
Colombian Euclase 1.822ct loose
¥55,800
Euclase has an impressive soft blue hue.
It is a gemstone that is said to be difficult to cut due to its vulnerability to impact from specific directions and strong cleavage.
| English name | Euclase |
| Japanese name | Euclase |
| crystal system | monoclinic system |
| chemical composition formula | Be(Al,Fe) SiO4OH |
| mohs hardness | 6.5 - 7.0 |
| specific gravity | 3.05 - 3.10 |
| refractive index | 1.65 - 1.68 |
| luster | glass gloss |
Blue, green, pink, yellow, colorless, white, etc.
In general, the higher the color, the more vivid the color, the higher the transparency without inclusions, scratches, or chips, the more beautiful the cut, the larger the size, the higher the value.
The region of origin also affects the value, with Zimbabwean products being more valuable.
Pink Euclase from Brazil is also highly valuable due to its high rarity.
The main producing areas are Brazil, Colombia, Ethiopia, and Zimbabwe.
It is said to have the meaning "easily (Eu) breakable (Klasis)" in Greek.