## Abstract Thermal etch pits are observed on calcite cleavages when the latter are kept at 520ยฐC to 560ยฐC in atmosphere for some hours. Boundaries of the above etch pits are circular, hexagonal and rhombic and they are dependent upon the temperature of etching. Different etch pit morphology is obs
Thermal Etching on Calcite Cleavages
โ Scribed by B.J. Mehta; J.R. Pandya
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 331 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0232-1300
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## Abstract Very low concentration of mineral acids and monocarboxylic acid (less then 0.001%) produces triangular etch pits on calcite cleavages at dislocations intersecting the surface. The orienation of triangular etch pits is opposite with respect to percussion mark on calcite cleavages. This m
## Abstract There are two types of chemical eccentric etch pits. Deepest points are always lying on the shorter diagonal. โ Symmetrical etch pits the deepest points of which lying on the diagonals show dislocation lines in the plane (110). Eccentricity of symmetrical etch pits along the [110] dire