mineral
Jasper is a gemstone with an ancient history. It has been known to people for more than 6 thousand years and is considered one of the most beautiful and valuable…
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Household life
Jasper stone – properties, uses and history of this precious mineral
Jasper is a gemstone with an ancient history. It has been known to people for more than 6 thousand years and is considered one of the most beautiful and valuable…
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Household life
Mineral powder: varieties and applications
Mineral powders are produced from carbonate rocks by fine grinding in special equipment. It is used as an additive in the production of bitumen coatings. Adding the product to the…