Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard chalk and wallboard.
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The plaster is produced by crushing, heating, and dehydrating raw gypsum. Gypsum is a soft, abundant mineral mined around the world. It is typically mined by blasting mineral deposits in a quarry. Drywall production has a noticeable environmental impact. Processing the gypsum releases particulates from
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Gypsum is a naturally occurring mineral that is made up of calcium sulfate, The primary environmental impacts of raw gypsum are habitat disruption from mining, . National Gypsum Company. National Gypsum, known as the leader in quality, customer service, and innovation, manufactures Gold Bond® gypsum board; ProForm® finishing products.
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Environmental hazards are present during every step of the openpit mining process. Hardrock mining exposes rock that has lain unexposed for geological eras. When crushed, these rocks expose radioactive elements, asbestoslike minerals, and metallic dust.
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Signal Word (GHSUS) : Danger Hazard Statements (GHSUS) : H350 May cause cancer ... Environmental Precautions ... Additional Hazards When Processed: Cutting, crushing or grinding gypsum or other crystalline silicabearing materials will release respirable crystalline silica. Use all appropriate measures of dust control or suppression, and ...
The overall conclusion in accordance with the REACH regulation is that there are no hazardous classifications associated with either mined or byproduct gypsum. Gypsum products are not classified as dangerous according to CHIP. There are no long term adverse medical effects from ingestion of gypsum.