Wiki source code of Gypsum

Last modified by Roelof Zwaan on 2021/09/30 15:18

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		9	Gypsum is the most common sulfate mineral and differs from [[anhydrite>>doc:Environmental Surveys.Rock types.Salts.Anhydrite.WebHome]] in its water content. Gypsum has two water molecules attached to its sulfate molecules giving the following chemical name: CaSO,,4,,*2H,,2,,O. The mineral can be found in deposits together with halite, anhydrite, sulfur, calcite and dolomite.
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		13	= Characteristics =
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		15	Gypsum is clear colorless or clear white when pure. Impurities produce gray, yellow, red or brown. Its streak is white and gypsum has a vitreous, silky, sugary luster. Its hardness is soft, a 2 on Mohr's scale. It can be recognized by its perfect cleavage, low hardness and low specific gravity.
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		17	= References =
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		19	* (((
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		21	[[https:~~/~~/geology.com/>>url:https://geology.com/\|\|style="background-color: rgb(255, 255, 255); font-size: 14px;"]]
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		23	* Bonewitz, Ronald Louis (2012). Rocks and Minerals. DK Publishing. p. 110. ISBN 978-0-7566-9042-7.
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		30	= Gypsum =
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		32	[[image:gypsum.jfif\|\|alt="image.jpg"]]
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		35	\|=Type\|Salt stone
		36	\|=Chemical formula\|CaSO,,4 ,,*2 H,,2,,O
		37	\|=Color\|clear colorless or clear white
		38	\|=Streak\|White
		39	\|=Luster\|Vitreous, silky and sugary
		40	\|=Hardness\|Soft
		41	\|=Cleavage\|Perfect
		42	\|=Image\|(((
		43	[[Gypsum>>https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Gips_-_Lubin%2C_Poland..jpg/1200px-Gips_-_Lubin%2C_Poland..jpg]]
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		49	Contents
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		51	{{toc/}}
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