Amethyst Goethite

Fiosrachadh cloiche

Tuairisgeul cloiche

Amethyst Goethite

Ceannaich amethyst nàdurrach anns a ’bhùth againn


Amethyst Goethite, ris an canar cuideachd amethyst cacoxenite

Bha cuideigin uaireigin a ’comharrachadh nan in-ghabhail sin mar cacoxenite air sgàth coltas neo-shoilleir ris a’ mhèinnear sin, ach chan eil amethyst le cacoxenitemay ann idir.

It has been historically called cacoxenite in Brazil. It was not till much later that an empirical study was done and by that time it was too late to change the marketing machine and people’s habit of calling it cacoxenite.

Bidh in-ghabhail goethite a ’cruthachadh bagaichean gu math àbhaisteach de shnàthadan buidhe gu donn a tha a’ coimhead caran coltach ri broom.

Tùs amethyst Goethite

Tha an stuth seo coltach ris an amethyst a tha a ’tighinn bho timcheall air Ametista do Sul, air an robh Sao Gabriel, Rio Grande do Sul, Brazil.

Goethite

Goethite is an iron oxyhydroxide containing ferric iron. It is the main component of rust and bog iron ore. Goethite’s hardness ranges from 5.0 to 5.5 on the Mohs Scale, and its specific gravity varies from 3.3 to 4.3. The mineral forms prismatic needle-like crystals, needle iron ore, but is more typically massive.

Feroxyhyte and lepidocrocite are both polymorphs of the iron oxyhydroxide FeO(OH) which are stable at the pressure and temperature conditions of the Earth’s surface. Although they have the same chemical formula as goethite, their different crystalline structures make them distinct minerals.

Additionally, goethite has several high-pressure and high-temperature polymorphs, which may be relevant to the conditions of the Earth’s interior.

Clach-èite amethyst Goethite

Tha Amethyst na mheasgachadh purpaidh de chlach-èiteig agus tha e mar thoradh air an dath fiolet aige air irradachadh, neo-chunbhalachd iarann ​​agus ann an cuid de chùisean meatailtean gluasaid eile, agus làthaireachd eileamaidean lorg eile, a tha a ’leantainn gu ionadachadh uachdaran criostail iom-fhillte. Tha cruas a ’mhèinneir an aon rud ri quartz, mar sin ga dhèanamh freagarrach airson a chleachdadh ann an seudaireachd.

Tha amethyst a ’tachairt ann am prìomh shùilean bho fiolet aotrom pinc gu purpaidh domhainn. Faodaidh Amethyst aon no an dà shealladh àrd-sgoile, dearg is gorm a thaisbeanadh.

Fìor chaochlaideach dian, dath an Amethyst gu tric ga chur a-mach ann an stripes co-shìnte ris a 'chuairt dheireannach aghaidhean a' chriostail. Aon taobh ann an ealain na lapidary gabhail a-steach ceart gearradh a 'chlach a chur an dath ann an dòigh a' toirt tòna a chrìochnaichte prìseil homogeneous. Gu math tric, gu bheil uaireannan ach tana uachdar còmhdach de violet dath a tha an làthair anns a 'chloich no gu bheil an dath Chan eil homogeneous a' dèanamh airson doirbh gearradh.

Amethyst Goethite à Brazil


Ceannaich amethyst nàdurrach anns a ’bhùth againn

mearachd: -Susbaint a dhìon !!