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Sep 9, 2023 · Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4·2H2O). It is commonly found in sedimentary rock formations and is often associated with other minerals such as anhydrite, halite, and sulfur. The name “gypsum” is derived from the Greek word “gypsos,” which means “plaster” or “chalk.”.
Apr 7, 2024 · Gypsum is a mineral so versatile that it can look like glass, feel like silk, or even blossom in the desert like a flower. Interestingly, it’s even found on Mars! Made from calcium sulfate and water, what gypsum looks like can vary a lot.
In arid areas, gypsum can occur in a flower-like form, typically opaque, with embedded sand grains called desert rose. It also forms some of the largest crystals found in nature, up to 12 m (39 ft) long, in the form of selenite.
Crystalline gypsum can be tabular (flat and plate-like), prismatic (elongated with rectangular or hexagonal faces), or fibrous (with thread-like crystals). Massive gypsum forms large, shapeless masses, while granular gypsum consists of tiny, tightly packed crystals.
Feb 24, 2024 · Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4·2H2O). It is renowned for its wide use in the manufacturing of plaster, drywall, and fertilizers. The...
Gypsum, common sulfate mineral of great commercial importance, composed of hydrated calcium sulfate. It occurs in extensive beds associated with other evaporite minerals, particularly in Permian and Triassic sedimentary formations; it is deposited from ocean brine, followed by anhydrite and halite.
What is Gypsum? Gypsum is an evaporite mineral most commonly found in layered sedimentary deposits in association with halite, anhydrite, sulfur, calcite, and dolomite. Gypsum (CaSO 4. 2H 2 O) is very similar to Anhydrite (CaSO 4). The chemical difference is that gypsum contains two waters and anhydrite is without water.
