Definition of Prehnite. Meaning of Prehnite. Synonyms of Prehnite

Here you will find one or more explanations in English for the word Prehnite. Also in the bottom left of the page several parts of wikipedia pages related to the word Prehnite and, of course, Prehnite synonyms and on the right images related to the word Prehnite.

Definition of Prehnite

Prehnite
Prehnite Prehn"ite, n. [So called from the German Colonel Prehn, who first found it.] (Min.) A pale green mineral occurring in crystalline aggregates having a botryoidal or mammillary structure, and rarely in distinct crystals. It is a hydrous silicate of alumina and lime.

Meaning of Prehnite from wikipedia

- Prehnite is an inosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2 with limited Fe3+ substitutes for aluminium in the structure...
- The prehnite-pumpellyite facies is a metamorphic facies typical of subseafloor alteration of the oceanic crust around mid-ocean ridge spreading centres...
- quartz The prehnite-pumpellyite facies is a little higher in pressure and temperature than the zeolite facies. It is named for the minerals prehnite (a Ca-Al-phyllosilicate)...
- Piemontite Pietersite Plumbogummite Pollucite Polyhalite Poudretteite Powellite Prehnite Prismatine Prosopite Proustite Psilomelane Pumpellyite Chlorastrolite (var...
- initially undergoes low-grade metamorphism to metabasalt of the zeolite and prehnite-pumpellyite facies, but as the basalt subducts to greater depths, it is...
- indicator mineral of the prehnite-pumpellyite metamorphic facies. It is ****ociated with chlorite, epidote, quartz, calcite and prehnite. It was first described...
- 7)•(OH) 2H 2O. Chlorastrolite was once thought to be an impure variety of prehnite or thomsonite. Chlorastrolite occurs as amygdaloid structures and fracture...
- of beryllium Zircon, a mineral belonging to the group of nesosilicates Prehnite, an inosilicate of calcium and aluminium Tourmaline, a crystalline boron...
- diagenetic processes which turn sediments into sedimentary rocks, and prehnite-pumpellyite facies, which is a hallmark of subseafloor alteration of the...
- babingtonite with prehnite, from Qiaojia, Qiaojia Co., Zhaotong, Yunnan, China Black babingtonite which covers a matrix of botryoidal, green prehnite, and a large...