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Russian Diopside

Russian Diopside

Russian Diopside has some crystal-clear plusses; it comes from a very 'cool' locale, it is the most affordable pure green gem and has brilliant greens that seem to glow with colour.

Name

Russian Diopside Ring

Russian Diopside & Diamond 14K White Gold Ring

Named in 1800, Diopside derives its name from the Greek 'di' meaning two or double and 'opsis' meaning appearance or view. This is in reference to its double refractivity or pleochroism. It is also known as Chrome Diopside, Chromium Diopside and Imperial Diopside.

History

Diopside is known as the 'crying gemstone' because of a supposed ability to heal trauma by bringing forth cleansing tears. Aside from its beauty, the most interesting thing about Russian Diopside is where it's from; a remote Russian federal republic in Eastern Siberia called Yakutia (Sakha). Located in Asia's far North, Yakutia is infamous for its climate extremes. In fact, Yakutia's Verkhoyansk Range is the coldest place in the northern hemisphere.

Composition

Diopside is an other-coloured gemstone, with its typical greens either caused by chromium or iron. Russian Diopside is coloured by chromium, one of the trace elements also responsible for the 'classic' greens of Emerald.

Properties

Russian Diopside comes in beautiful, pure rich green hues, occasionally with a slightly bluish tint. As in Emeralds, a little bit of blue brings added depth, richness and warmth to its pure greens. It is a diochroic or two coloured gemstone, its dichroism is green and yellow.

The marketplace clarity standard is eye-clean (no visible inclusions when the gem is examined 15 cm from the naked eye), Russian Diopside is usually sized less than a carat. It is usually faceted with brilliant or step cuts in a variety of shapes.

Source

Russian Diopside was found in Yakutia, which is also the source of 99 percent of all Russian Diamonds and 23% of the worlds Diamond population. Deposits also exist in Burma, China and South Africa; obviously, the 'Russian' prefix cannot be applied to gems from these countries.

Cat's Eye Diopside

Cats Eye Diopside

Cat's Eye Diopside

Mostly mined in India, Cat's Eye Diopside is green with inclusions of rutile needles. Chatoyancy or the cat's eye effect is a reflection that appears as a single bright band of light across the surface of a gemstone.

Star Diopside

Star Diopside

Star Diopside

Again hailing from India, four-rayed Star Diopside is also known as Black Star Diopside because of its black or blackish-green colour. While Star Diopside has two rays that are straight, the other two are not right angled to the first pair. Star Diopside is actually magnetic (magnetite inclusions are to be thought the culprit). All star gems are dependent on a gem being cut 'en cabochon' (cut in convex form and highly polished, but not faceted). While asterism is most visible in a direct, single beam of light, a well-cut star gemstone has a distinct star whose rays are straight and equidistant.

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