| 释义 |
Definition of antigorite in English: antigoritenounanˈtɪɡərʌɪtanˈtiɡəˌrīt mass nounA mineral of the serpentine group, occurring typically as thin green plates. Example sentencesExamples - Serpentine is a common name for the minerals antigorite, lizardite and chrysotile.
- The serpentine minerals antigorite and lizardite are clay-like constituents of tremolitic talc.
- Dumps and outcrops in the vicinity have produced hand specimens of antigorite, chrysotile, and impressive crystals of grass-green talc with snow-white dolomite.
- Bowenite is a massive, fine-grained and dense variety of antigorite.
- The crystal structure of antigorite could not be solved, because of very fine crystal size and many defects.
- It is definitely of later formation than the antigorite, and in numerous instances this mineral is itself flecked with platelets of talc indicating a replacement of the former by the latter.
- The most distal alteration is volumetrically minor and involves alteration of olivine to antigorite and magnesite.
- The massive, pale green variety of antigorite is sometimes called ‘williamsite’.
- The darker shades of massive antigorite are usually what is referred to as ‘precious serpentine’ - the stuff that can be used to make decorative items of a luscious deep green color.
- Several long-thin grains of antigorite are visible as well.
- As seen in the granite, subhedral to anhedral grains of fayalite are fractured and show varying stages of alteration to hematite, antigorite, calcite, and magnetite.
- Spectrally the mineral separates do not show absorptions due to any mineral species other than antigorite.
Origin Mid 19th century: from Antigorio, a valley in Piedmont, Italy, + -ite1. Definition of antigorite in US English: antigoritenounanˈtiɡəˌrīt A mineral of the serpentine group, occurring typically as thin green plates. Example sentencesExamples - The serpentine minerals antigorite and lizardite are clay-like constituents of tremolitic talc.
- Spectrally the mineral separates do not show absorptions due to any mineral species other than antigorite.
- Dumps and outcrops in the vicinity have produced hand specimens of antigorite, chrysotile, and impressive crystals of grass-green talc with snow-white dolomite.
- The crystal structure of antigorite could not be solved, because of very fine crystal size and many defects.
- The darker shades of massive antigorite are usually what is referred to as ‘precious serpentine’ - the stuff that can be used to make decorative items of a luscious deep green color.
- The massive, pale green variety of antigorite is sometimes called ‘williamsite’.
- Serpentine is a common name for the minerals antigorite, lizardite and chrysotile.
- As seen in the granite, subhedral to anhedral grains of fayalite are fractured and show varying stages of alteration to hematite, antigorite, calcite, and magnetite.
- Bowenite is a massive, fine-grained and dense variety of antigorite.
- The most distal alteration is volumetrically minor and involves alteration of olivine to antigorite and magnesite.
- It is definitely of later formation than the antigorite, and in numerous instances this mineral is itself flecked with platelets of talc indicating a replacement of the former by the latter.
- Several long-thin grains of antigorite are visible as well.
Origin Mid 19th century: from Antigorio, a valley in Piedmont, Italy, + -ite. |