Thorbastnasite Rontgenite-(Ce) Image
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Rontgenite-(Ce)
,
Thorbastnasite
Mineral:
Rontgenite-(Ce)
:
Ca2(Ce,La)3(CO3)5F3
Thorbastnasite
:
Th(Ca,Ce)(CO3)2F2ยท3(H2O)
Comments:
Tny white, acicular thorbastnasite crystals to less than 1 mm in sprays. The thorbastnasite forms the cores the 'needles', with white epitaxial rontgenite-(Ce) coating.
Location:
Mont Saint-Hilaire, Quebec, Canada.
Scale:
Needle Size < 1 mm.
Copyright:
©
William Lechner / Dakota Matrix
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