What does pleochroic halo mean?
Definitions for pleochroic halo
pleochroic halo
This dictionary definitions page includes all the possible meanings, example usage and translations of the word pleochroic halo.
Wiktionary
pleochroic halonoun
A microscopic spherical region in which there is a change in colour from the surrounding mineral; due to radiation damage from alpha particles.
Wikipedia
Pleochroic halo
A pleochroic halo, or radiohalo, is a microscopic, spherical shell of discolouration (pleochroism) within minerals such as biotite that occurs in granite and other igneous rocks. The halo is a zone of radiation damage caused by the inclusion of minute radioactive crystals within the host crystal structure. The inclusions are typically zircon, apatite, or titanite which can accommodate uranium or thorium within their crystal structures. One explanation is that the discolouration is caused by alpha particles emitted by the nuclei; the radius of the concentric shells are proportional to the particles' energy.
Numerology
Chaldean Numerology
The numerical value of pleochroic halo in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of pleochroic halo in Pythagorean Numerology is: 5
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"pleochroic halo." Definitions.net. STANDS4 LLC, 2024. Web. 30 Apr. 2024. <https://www.definitions.net/definition/pleochroic+halo>.
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