What do grades in Garnet Signify?

sand, garnet, heavy mineral miningGarnet can be identified in metamorphous rocks as a semiprecious gemstone. But, the garnet that is present in its sedimentary form in deep seas is washed off from the sea to the shores in form garnet sand, this kind of garnet is used as an abrasive.

In the abrasive form garnet is really useful in many industrial applications such as garnet water jet cutting and sand blasting. In such processes, the most important deciding factor about which kind of garnet should be used is its size.

Grading and sizing plays an important role in the usage of minerals. The sizes can be determined by proper separation and sieving processes. Sizing of garnet particle decides its usage. Bolder particles are used for sand blasting whereas material with smaller size will be used for water jet cutting.

In water filtration processes, garnet is used as the media in the channel of filtration. In this kind of mixed media water filtration, different grades of garnets are used. The coarse garnet sand it on the top, which filters major impurities and the next layer of garnet sand, is of fine grade so that any further impurities can be removed. This is why different grades are needed.

One of the leaders of heavy mineral mining of Garnet in India is V.V. Mineral. They are India’s biggest mining, manufacturers and exporters of Garnet and ilmenite. They have been awarded as the ‘Number One Garnet Exporters’ of our country. They also undertake Zircon mining, Rutile mining and Ilmenite mining.

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