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Zoloto shines like a piece of gold

Garnet

Garnet is made of 2 different minerals, Aluminum Silicate which includes: Pyrope, Almandine, Spessartine and Calcium Silicate which includes: Andradite, Tsavorite, Grossular
The main differences between these gemstones are: color, density and refractive index. Even though different types of Garnetstone have completely different compounds, but they all have the same crystal structure, rhombic dodecahedron.
This form of crystal is the sign of every Garnet mineral and gemstone.
Malaia Garnet and the Color Change Garnet have the same composition. The Color Change Garnet can easily be recognized under different sources of light and it’s sometimes mistaken with Alexandrite, but it’s easy to distinguish them. Alexandrite is rarely found in bigger sizes and it mostly weighs less than half of carat but Garnet’s weight is usually more than one carat.
Garnet gemstones are a pretty common thing and can be found in metamorphic and igneous rocks (the ones that are created under pressure and high temperature)
Today the main source of color change garnet is in south Africa specially in Tanzania. there are also other sources in Sri Lanka, Madagascar, Norway, Tundra and USA
The changing of color in this rock is usually yellowish green or brown under the scattered fluorescent light and heliotrope under the focused fluorescent light
under the light of Incandescent lap it color changes from red-orange (poppy) to red
Spessartine, Pyrope and Grossular are blue-green under the scattered fluorescent light and purple under the focused fluorescent light. Their color changed from light red to magenta under the sun light
The color of the stone produced in Sri-Lanka changes from blue, green   or grey(in daylight) to magenta (under the incandescent lamp)

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