Gauin, gauinite kapa gauinite - diminerale ea tectosilicate e nang le sulfate - video

Gauine, gauinite kapa gauinite ke diminerale ea sulfate tectosilicate e nang le mohlala oa Na3Ca (Si3Al3) O12 (SO4).

Reka majoe a tlhaho lebenkeleng la rona

E ka ba ho fihlela ho 5 wt. K2O, hammoho le H2O le Cl. Ke feldspar le setho sa sehlopha sa sodalite. Lejoe le ile la hlalosoa ka lekhetlo la pele ka 1807 ho ipapisitsoe le mehlala e fumanoeng seretseng sa Vesuvian Monte Somma, Italy, 'me le ile la rehoa lebitso ka 1807 ke Brunn-Neergard ka mor'a setsebi sa kristale sa Mofora René Just Gahuy (1743-1822). Ka linako tse ling e sebelisoa e le lehakoe.

chebahalo

E khanya ka har'a sistimi ea isometric, e etsa likristale tse sa tloaelehang tsa dodecahedral kapa pseudooctahedral ho fihla ho 3 cm ka bophara; e boetse e hlaha joalo ka lijo-thollo tse chitja. Likristale li bonaletsa ho translucent, ka vitreous ho ea ho oli e khanyang. Hangata 'mala o moputsoa o khanyang, empa hape o ka ba o mosoeu, o mosehla, o mosehla, o motala le o pinki. Karolong e tšesaane, likristale ha li na 'mala kapa li boputsoa bo boputsoa, ​​​​'me streak e putsoa haholo ho isa bosoeu.

thepa

Lejoe ke isotropic. Liminerale tsa 'nete tsa isotropic ha li na li-birefringence, empa lejoe le na le li-birefringent tse fokolang ka boteng ba li-inclusions ho lona. Lenane la refractive ke 1.50. Leha e le tlase haholo, joalo ka khalase e tloaelehileng ea lifensetere, ke boleng bo phahameng ka ho fetisisa ba liminerale tse tsoang sehlopheng sa sodalite. E ka bonts'a bokhubelu bo bokhubelu ho isa ho fluorescence tlas'a leseli le lelelele la ultraviolet.

Molala ha o tšoanelehe, 'me mafahla a kopana, a phunyeletsa le a polysynthetic. Ho robeha ha ho tloaeleha ho sebopeho sa khetla, minerale e brittle 'me e na le boima ba 5 1/2 ho 6, hoo e batlang e le thata joaloka feldspar. Litho tsohle tsa sehlopha sa sodalite li na le sekhahla se tlase, se ka tlase ho sa quartz; hauyne ke e teteaneng ho feta tsohle, empa e na le matla a khoheli a itseng a 2.44–2.50 feela.

Haeba lejoe le behiloe holim'a slide ea khalase 'me le phekoloa ka nitric acid HNO3, joale tharollo e lumelloa ho fetoha mouoane butle-butle, li-needle tsa gypsum tsa monoclinic li thehoa. Sena se khetholla hauine ho tloha ho sodalite, eo tlas'a maemo a tšoanang e etsang likristale tsa cubic tsa chlorite. Minerale ha e na radioactive.

Mohlala o tsoang Mogok, Burma

Ho rekisoa ha mahakoe a tlhaho lebenkeleng la rona