Star ruby

Star Ruby Myths and Legends:
Traditionally, star rubies were worn by knights in the battlefields to protect themselves from the enemy.

WHAT IS STAR RUBY?
STAR ruby is a rare variety of rubies. Nearly 3 stars are discovered in every 100 faceted corundum mined. Fine stars are more rare.
Star Ruby is a type of rubies, which shows the special optical phenomenon "asterism".

Enhancements
Star Ruby is not known to be enhanced.
More information on gemstone enhancements.
Star Ruby (Indian Star Ruby) ...

Star Ruby
Star Ruby is a ruby with an asterism (a six-pointed star that reflects light.)
Star Sapphire
Star Sapphire is a sapphire with an asterism (a six-pointed star that reflects light.) ...

STAR RUBY
A "star ruby" is a ruby that exhibits an asterism, a six-pointed star of light (when cut as a cabochon). The world's biggest star ruby is the Rajaratna, which weighs 2,475 carats.

Star Ruby: Red corundum, cut en cabochon with minute inclusions of intersecting silk that reflect light in a six ray star pattern. Rarer and more valuable than star sapphire.

[Star ruby, white star sapphire ring, rare bi-colored star sapphire] ...

Largest Star Ruby
The Eminent Star ruby is an oval cabochon with a six-ray star. It measures 109x90.5x58 mm and weighs 6,465 carats. Believed to have been discovered in India, it is owned by Kailash Rawat of Eminent Gems Inc., New York.

Star ruby
Sunstone displaying its characteristic aventurescence
Cat's eye chrysoberyl ...

Star ruby, 7.53 cts., 10.22 x 9.57 x 6.95 mm. Search on inventory number 13873. (Photo: Wimon Manorotkul) ...

Delong Star Ruby: Weighing 100.32 carats, the Delong Star Ruby is part of the permanent collection of the American Museum of Natural History in New York.

A PAIR OF STAR RUBY ...
By: Christie's Auctio...
ruby, ruby, diamonds, platinum
A CITRINE QUARTZ AND...
By: Christie's Auctio...
citrine, quartz, ruby, gold ...

The De Long star ruby (100 carats) is a oval cabochon and is now with The American Museum of Natural History in New York.

Star Ruby
Fine red star rubies are one of the most expensive of all colored stones. Fine gemstones are exceeding rare, more so now because of the recent, widespread(?) practice of heating potential star rough to turn it into clear ruby.

10 Star Ruby
20 Large Opal
10 Powerful Mojo or 10 Blue Sapphire
10 Essence of Earth or 10 Essence of Undeath
20 Huge Emerald
55 green gems OR 40 and 15 Black Diamond - You can find a list of green gems here.

It is similar to a star sapphire or star ruby, but with those gems, there are 3 lines that intersect, where in a cats eye, there is only one line. Translucent honey colored cats eye gems can be very striking and are also very valuable.

Rutile (Silk) Inclusions in Star Ruby
Rubies can be transparent to totally opaque, and both ruby and sapphire can exhibit a six-pointed "star" or "asteriated" effect which is caused by incident light reflecting off of microscopic, ...

Some notable genuine rubies include: The Chhatrapati Manick, a forty carat cabachon, the 167 carat Edwardes ruby in the British Natural History Museum and the 100 carat De Long star ruby in the American Museum of Natural History.

The Rajaratna is the biggest-known "star ruby" (a ruby that exhibits an asterism, a six-pointed star of light, cut as a cabochon). It weighs 2,475 carats.
RATI ...

Rajaratna
The Rajaratna is the biggest-known "star ruby" (a ruby that exhibits an asterism, a six-pointed star of light, cut as a cabochon). It weighs 2,475 carats.

Synthetic corundum stones can be produced as asterias (star stones), to simulate both star ruby and star sapphire by the addition of titanium oxide which, at high temperature, is precipitated as needles of rutile.

Rubies, like sapphires, are a variety of the mineral corundum, which is known for its remarkably rich color. The Eminent Star ruby, the largest known, weighs 6,465 carats, or almost three pounds.

Parallel needle-like inclusions are responsible for the effect. Examples include star diopside (4 rays) and star ruby (6 rays). Double asterism (12 rays) can be seen in small percentage of black star sapphires.

minute tubular internal structure frequently display a beautiful six-pointed star when cut to a round-topped cabochon shape and exposed to direct sunlight or to light from any other single source. Such stones are named "star sapphire" and "star ruby.

See also: Ruby, Stone, Star, Gem, Gemstone