Almandine Garnet
The latest addition to PMC's list of minerals is Garnet - Almandine. This is mined at PMC's own Sri Venkata Sai Mines, located in Nellore Dist. AP. Almandine Garnet (sometimes wrongly referred to as Almandite) is twelve sided crystal. It is a very hard material with a Moh's Scale hardness of 6.5 to 7.5. This garnet is not got from beach sands like most other garnets in India and so is very eco-friendly. When garnet is mined from beach sand, large areas of the beach gets polluted and spoilt.Garnet is a very safe and eco-friendly material which can be used in various applications.
- Abrasives: Sand Paper, Cutting and Grinding Wheels.
- Sand Blasting: Cleaning and preparing of metal surfaces, Ship body Cleaning,Oil Refineries and out door equipment.
- Cutting: High Pressure Water Jet Cutting
- Water Filters: Water Medium
As a medium for sand blasting, Garnet is the preferred over Silica Sand, Quartz and metal slag. Garnet can be reused several and is non-polluting. And the fine dust produced during blasting is not carcinogenic like it is for Silica Sand or quartz. Processing
- The Garnet from the mines is cleaned with water to remove the mud and non garnet materials.
- These are ground in mills.
- Material is then sieved on vibro-sieves to get the required grain sizing.
- Finished product is tested in the lab and packed as per requirement.
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