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Name: Gypsum in Matrix
Type: Mineral
Location found: Watchet, Somerset UK
Size (picture scale cube=1cm): 70 x 56 x 48mm (2.76 x 2.2 x 1.89 inches)
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, It can be used as a fertilizer, is the main constituent in many forms of plaster and in blackboard chalk, and is widely mined.
**The mineral is a carefully chosen piece, with a photo that shows the actual specimen you will receive. **