mattheddleite crsytals

Scanning Electron Micrograph of extremely rare mattheddleite crystals. Only a few occurrences of mattheddleite known from Wales, all in microscopic quantities.

Discover more of these remarkable images on theCrystals and Minerals online gallery on 'Rhagor', the collections based website from Amgueddfa Cymru - National Museum Wales.
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Electronmicrograff sganio o grisialau hynod brin mattheddleit. Dim ond mewn ambell fan yng Nghymru y ceir crisialau o fattheddleit, a'r rheiny ar ffurf microsgopig.

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