epidote
/ep-i-doht/US // ˈɛp ɪˌdoʊt //UK // (ˈɛpɪˌdəʊt) //
表皮石,鳞片石,表皮岩,鳞片岩
Definitions
n.名词 noun
- 1
- : a mineral, calcium aluminum iron silicate, Ca23Si3O12, occurring in green prismatic crystals.
Examples
Crystalline epidote, and whitish quartz, apparently from a vein.
Purplish-brown epidote, with small nests or concretions of green epidote and quartz; forming a sort of amygdaloid.
Conglomerate, containing angular fragments of yellowish-grey quartz-rock, in a base of compact epidote.
A nearly uniform greenish compound of epidote intimately mixed with quartz, also occurs at this place.
Whether the colour depends upon epidote, chlorite, or some other substance, we were not able to determine.
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