Maralikha Au deposit, Rudnyi Altai, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan

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Beaverite : Pb(Fe3+,Cu,Al)3[(OH)3|SO4]2
	Maralikha Au deposit, Rudnyi Altai, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan SEM image. Crystaline crust of megascopicaly olive-green As-bearing beaverite transitive to beudantite. Beaverite crystals represented in this place of th crust by obtuse rhombohedrons. Associating minerals are iodargyrite, native gold and cerussite (unvisible on the photo). Collected by Evgenii Uspenskii in 80th. Pavel M. Kartashov collection and ...
© Pavel M. Kartashov	Photo ID: 153950    View Count: 105
Gold : Au, Beaverite : Pb(Fe3+,Cu,Al)3[(OH)3|SO4]2, Chlorargyrite (Var: Bromian Chlorargyrite) : Ag(Cl,Br), Rucklidgeite : (Bi,Pb)3Te4
	Maralikha Au deposit, Rudnyi Altai, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan Crystaline crust of high-grade later gold over olive-green beaverite agregate in quartz vein cavity. This gold is significantly more pure than primary gold associated with PbBi-tellurides in this specimen. The reason is probably in bromian chlorargyrite (brownish drop-like agregates at the right side of the photo), which had capture almost all ...
© Pavel M. Kartashov	Photo ID: 155431    View Count: 151
Iodargyrite : AgI, Osarizawaite : Pb(Al,Cu)3[(OH,H2O)3|SO4]2, Mimetite : Pb5[Cl|(AsO4)3]
	Maralikha Au deposit, Rudnyi Altai, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan Hexagonal short-prismatic honey-yellow iodargyrite crystals in cavities of light-coloured greenish-olive osarizawaite (transitive to beaverite and hinsdalite) crust. Note that this large crystals are pinakoidal in difference from small xls on pictures ##153945 & 153947, which are pyramidal. White short-prismatic crystals of mimetite grow over the ...
© Pavel M. Kartashov	Photo ID: 155445    View Count: 126
Iodargyrite : AgI, Beaverite : Pb(Fe3+,Cu,Al)3[(OH)3|SO4]2
	Maralikha Au deposit, Rudnyi Altai, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan SEM image. Prismatic crystals of bromian iodargyrite (bright in BSE) on As-bearing beaverite transitive to beudantite (dark in BSE) crystaline crust. Associating minerals are native gold and cerussite (unvisible on the photo). Collected by Evgenii Uspenskii in 80th. Pavel M. Kartashov collection and photo.
© Pavel M. Kartashov	Photo ID: 153947    View Count: 99
Iodargyrite : AgI, Beaverite : Pb(Fe3+,Cu,Al)3[(OH)3|SO4]2
	Maralikha Au deposit, Rudnyi Altai, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan SEM image. Prismatic terminated hexagonal crystal of bromian iodargyrite (bright in BSE) on beaverite (dark in BSE) crystaline crust. Associating minerals are native gold and cerussite (unvisible on the photo). Collected by Evgenii Uspenskii in 80th. Pavel M. Kartashov collection and photo.
© Pavel M. Kartashov	Photo ID: 153945    View Count: 92
Osarizawaite : Pb(Al,Cu)3[(OH,H2O)3|SO4]2, Hinsdalite : PbAl3[(OH)6|SO4|PO4], Beaverite : Pb(Fe3+,Cu,Al)3[(OH)3|SO4]2
	Maralikha Au deposit, Rudnyi Altai, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan SEM image. Unusual "filling" of crystals of As-bearing beaverite transitive to beudantite (rims most bright in BSE). In central parts of crystals we see bright in BSE rounded cores composed by Ba- and Fe-bearing hinsdalite. Most dark in BSE intermediate zones consist of Ba- and Fe bearing osarizawaite. So we able to see changing of anion ...
© Pavel M. Kartashov	Photo ID: 153954    View Count: 199