Definition of macle in English:
1A diamond or other crystal that is twinned.
- Almost all the creeks that have produced gold crystals have produced triangular spinel-twinned crystals or macles.
- Flattened contact twins are known in the gem trade as macles.
- Good brown macle twins up to several carats in weight have been available in recent years from the Udachnaya mine.
2 another term for chiastolite.
- The chiastolite, or macle, shows the representation of a cross on its surface, this effect being produced by the regular arrangement of carbonaceous impurities along the axes of the crystal.
- The variety chiastolite (also called cross-stone, or macle) forms long prisms in a cross section.
Definition of macle in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia