Madras Gem Institute

. Minas Gerais, Brazil. : Etched deep red crystals.

From the light blue of the sky to the deep blue of the sea, shine over an extraordinarily beautiful range of mainly light blue colours. is a fascinatingly beautiful gemstone. Women the world over love it for its fine blue shades which can complement almost any skin or eye colour, and creative gemstone designers are inspired by it as they are by hardly any other gem, which enables them to create new artistic cuts again and again.

Beautiful raw and faceted from Gem Mountain, near Rock Creek in Montana. The sapphires in the image are both treated and untreated, although most of these larger blue stones have not been heat treated.

An intriguing cabochon of rainbow , from . Cut from hard-to-find rough, Romans named it so because they thought it was made of . It's actually orthoclase, like its closest relative, labradorite. This example has excellent schiller, in appealing shades of blue. There are some natural inclusions present, but the cab is quite perfectly sound, as well as affordable. It has a high rounded dome of 6mm, a designer 'teardrop' shape, and a smooth glassy polish both front and back.
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Solid Gem from Lightning Ridge

The Star of India is a 563.35 carat (112.67 g) , one of the largest such gems in the world. (The It is almost flawless and unusual in that it has stars on both sides of the stone. The greyish blue gem was mined in Sri Lanka. The milky quality of the stone is caused by the traces of the mineral rutile,. The tiny fibers of the mineral, aligned in a three-fold pattern within the gem, reflect incoming light into the pattern.

- Citrine is a variety of quartz whose color ranges from a pale yellow to brown. Natural citrines are rare; most commercial citrines are heat-treated amethyst. Citrine contains traces of Fe3+ and is rarely found naturally. The name is derived from Latin citrina which means "yellow"

Gem Rutile Quartz

Madras Gem Institute
is the blue/violet variety of the mineral zoisite (a calcium aluminium hydroxyl Sorosilicate) belonging to the epidote group. It was discovered in the Mererani Hills of Manyara Region in Northern Tanzania in 1967, near the city of Arusha and Mount Kilimanjaro. is used as a gemstone, and naturally formed tanzanite is extremely rare, still found only in the Mererani Hills.

, also known as trystine or by its trade name as bolivianite, is a naturally occurring variety of quartz. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Almost all commercially available ametrine is mined only in Bolivia.

is the gem form of the mineral Olivine, and its beauty results from the extreme conditions that facilitate its formation. The green gem is found in rocks created by volcanoes and in some cases, it forms as a result of meteors that land on the earth’s surface.

Today, we mourn the loss of an eminent citizen, our former-President, a Visionary. Dr.APJ Kalam, will always be alive in all the hearts & minds of people he has inspired.