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Disgrifiad

Jana Horak, head of mineralogy and petrology at National Museum Wales, studies a specimen held at Oriel Ynys Môn.

Oes gennych chi wybodaeth ychwanegol am yr eitem hon? Gadewch sylwad isod

Sylwadau (3)

Jane Henderson's profile picture
what a great photo, do you know what kind of mineral this is?
Oriel Môn's profile picture
http://www.peoplescollection.wales/items/411521 Hi Jane. Thanks for asking. Here's the information about this specimen. Hope that helps: Type: Phylite with Quartz crystals, zinc blend Geological Age: Precambrian Location: Cemlyn - North coast of Anglesey Historic Info: Shows how rock can be forced together by huge geological processes such as earthquakes. This red philite and quartz vein shows tectonic processes, with quartz forming in cavities.
Oriel Môn's profile picture
http://www.peoplescollection.wales/items/411521

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Gall cyfraniadau i Gasgliad y Werin Cymru gynnwys disgrifiadau a darluniadau hanesyddol sy’n anghywir yn ffeithiol, sy’n drefedigaethol, sy’n hiliol, sy’n wahaniaethol neu sy’n amhriodol mewn ffordd arall. At hynny, mae’n bosibl y bydd eitemau’n defnyddio iaith a gymerwyd o ddogfennau hanesyddol, sydd bellach wedi dyddio ac yn ddifrïol. Byddem yn croesawu eich help i adnabod eitemau sy’n tramgwyddo neu’n niweidio pobl, a byddem yn ddiolchgar pe baech yn cysylltu â ni yma [email protected].