Dyrnaesite-(La) is a
rare-earth phosphate
Phosphates are the naturally occurring form of the element phosphorus.
In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthop ...
mineral with the formula . Dyrnaesite-(La) is related to
vitusite-(Ce), another
rare-earth phosphate mineral.
It comes from lujavrite, a type of alkaline syenite rock, of South Greenland. Dyrnaesite-(La) is one of few known minerals with essential tetravalent cerium, the other two being
cerianite-(Ce) and
stetindite.
References
Phosphate minerals
Cerium minerals
Lanthanide minerals
Sodium minerals
Orthorhombic minerals
Minerals in space group 62
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