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Category: Gemology

Dunilite – Rare Olivine

Dunilite is a rare olivine group mineral with the corresponding chemical formula Magnesium, Iron, Manganese, Silicate (Mg,Fe,Mn)2SiO4. Long mistaken for green peridot, dunilite was identified in 2000 as a new gem variety from the olivine group. Dunilite- Discovered by Mr. Dunil Palitha Gunasekera in 1996. Dunilite occurs in only one locality called, “Katukubura mountain” Kolonne, […]

Serendibite – Still In Top 10 Extremely Rare List

Serendibite is an extremely rare silicate mineral that was first discovered in 1902 in Sri Lanka by Dunil Palitha Gunasekera and named after Serendib, the old Arabic name for Sri Lanka. Serendibite can be found in colors such as pale yellow, blue-green, greyish blue, black. It can be found in Sri Lanka, USA, Canada, Madagascar, […]

Demantoid Garnet

Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of minerals. Demantoid was discovered in Russia in the early 19th century. In 1854, the noted mineralogist Nils Gustaf Nordenskiöld identified this gem as a variety of andradite garnet. As a rare gem variety, demontoid garnet is highly prized […]

Bi Colour Zircon Sri Lanka

One of the amazing gemstone family known as “zircon”. Zircon has amazing colour varieties with it’s own unique characteristics. There is a zircons what i found from danu group minings Color : Bi Colour ( Light Olive Green & Orangy-Yellow ) Shape : Alluvial broken Half Crystal Clarity : Slightly Included Treatment : Unheated Height […]

Negative Crystal Inclusion In Natural Spinel – Danu Group Inclusions Gallery

This is very nice natural violetish grey spinel from city of gem Ratnapura, Sri Lanka. When we found the Rough stone from the the direct source, we didn’t catch the nice negative crystal inclusion in this spinel. This nice negative crystal can be seen centre of the stone under the table. Visit Danu Group Website […]

Sillimanite

Sillimanite is an aluminosilicate mineral with the chemical formula Al2SiO5. Sillimanite is named after the American chemist Benjamin Silliman (1779–1864). It was first described in 1824 for an occurrence in Chester, Middlesex County, Connecticut, US. It’s well known to gem collectors and highly prized because of its great scarcity. It is Orthorhombic crystal system mineral […]

Interesting Gemstone Only for A Expert Gem Cutter

Fibrolite is a very interesting gemstone among gemstone families. Specially, Some gem cutters hate to cut. If You cut a Fibrolite, You must be a expert gem cutter. It can be seen cleavages perfect. Because of it’s structure It can be broken easily while cutting process and should be carefully in cutting process. But, You […]

Hessonite Garnet

Hessonite is a calcium aluminium silicate. It is an orangish-brown version of grossular garnet that is also known as ‘cinnamon stone‘ because of its colour. Hessonite garnet is astrological gem related to Rahu (Moon’s ascending node), which is mainly an elemental and instinctual entity. When badly positioned, this “shadow planet” is characterized by insatiable recognitions and desires together with sense […]

Ceylon Sapphire Fish Crystal

I have already uploaded various shape of sapphire crystals on my website what I found from Sri Lanka and other countries. But, this is an amazing shape of crystal look like a “fish“. I found this stone from City of Gem Ratnapura, Sri Lanka. Do you know, sapphire family has various kind of heating sapphire […]

Scapolite Cats Eye

Scapolite-cats-eye is a chatoyant variety of scapolite family. Cats Eye effect is caused by needle- or rod-like inclusions preferentially oriented parallel to the optical axis of the scapolite crystal. Mostly, That needles contain iron and sulfur as the main elements. The sharp chatoyant of scapolite has good demand in the market. Also, Scapolite cats eye […]