Ruby-Zoisite, also known as anyolite, is the natural combination of ruby and zoisite crystals in a single specimen. Zoisite, the same mineral as tanzanite, provides an earthy green and black color while ruby lends pink and red highlights. Ruby-zoisite is usually shaped as cabochons or carved into decorative shapes, including animals and religious icons.
Ruby-zoisite was first discovered in 1954 in Tanzania. The name anyolite goes back to the word for green" in the native language of the Massai.
Ruby-zoisite achieves only hardness 6.5 to 7 on the Mohs scale, and is thus not very resistant. Therefore it should be worn with care, never be cleaned by ultrasonic method and never come into contact with acids.
Ruby-Zoisite colors
Buying Ruby-Zoisite
Where is Ruby-Zoisite found?
Common Ruby-Zoisite Treatments
World-famous Ruby-Zoisite
Ruby-Zoisite gemology
Ruby-Zoisite legends & lore Ruby-Zoisite colors
The green zoisite rock carries black hornblende inclusions and large, but mostly opaque rubies. Cut and polished ruby-zoisite appears in an earthy green and black color with exiting pink and red highlights, due to the presence of ruby. Buying Ruby-Zoisite
Even large specimens are offered at low prices. Ruby-zoisite achieves only hardness 6.5 to 7 on the Mohs scale, and is thus not very resistant. Therefore it should be worn with care, never be cleaned by ultrasonic method and never come into contact with acids.
Color
The display of the black inclusions define the tendency of color, whether it's a "dark clouded" green or a green spotted black.
Lighting
The exiting pink and red highlights become visible, if the stone is viewed from different directions.
Clarity
Due to its massive inclusions most ruby-zoisite are opaque.
Cut
Usually shaped in cabochon cut, or carved in decorative shapes. Ruby-Zoisite location and deposits
Ruby-zoisite, like tanzanite, is only found in Tanzania. Common Ruby-Zoisite treatments
There are no common treatments for ruby-zoisite known.
World-famous Ruby-Zoisite
Ruby-zoisite didn't make it to the gemstone hall of fame. Ruby-Zoisite gemology
Species: Zoisite
Color: Green with black and opaque ruby inclusions
Chemical composition: Ca2Al3(Sio4)3(OH) calcium aluminum silicate
Crystal system: Orthorhombic, multifaced prisms, mostly striated
Hardness: 6.5-7 (Mohs scale)
Specific gravity: 3.35
Refractive index: 1.691 - 1.700
Birefringence: +0.009
Color of streak: White,
Fluorescence: None The Ruby-Zoisite zodiac, myth & legend
As a lesser-known and relatively "young" gemstone, ruby-zoisite produces a blank page in the books of myth, history, wisdom, the zodiac scheme or the relation between planets and mankind.
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