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]]. |
| − | == | + | ==Physical and Chemical Properties== |
Microscopically similar to gypsum and plaster of Paris | Microscopically similar to gypsum and plaster of Paris | ||
Latest revision as of 10:04, 2 May 2022
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.
Physical and Chemical Properties
Microscopically similar to gypsum and plaster of Paris
| Composition | CaSO4-xH2O |
|---|---|
| Refractive Index | 1.55, 1.57 |