Difference between revisions of "Bassanite"
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== Description == | == Description == | ||
| − | A naturally occurring mineral composed of an intermediate hydrate form of calcium sulfate that lies between the dihydrate ([ | + | A naturally occurring mineral composed of an intermediate hydrate form of calcium sulfate that lies between the dihydrate ([[gypsum]]) and the anhydrous ([[anhydrite]]) states. Synthetic particles of bassanite occur when gypsum is calcined to form [[plaster of Paris]]. |
== Other Properties == | == Other Properties == | ||
Revision as of 11:53, 8 January 2014
Description
A naturally occurring mineral composed of an intermediate hydrate form of calcium sulfate that lies between the dihydrate (Gypsum) and the anhydrous (Anhydrite) states. Synthetic particles of bassanite occur when gypsum is calcined to form Plaster of Paris.
Other Properties
Microscopically similar to gypsum and plaster of Paris
| Composition | CaSO4-xH2O |
|---|---|
| Refractive Index | 1.55, 1.57 |