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#
Hashtag
#feldspathoid
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We're awash in #tectosilicate structures this first half of the #MinCup25: five of the first sixteen, including two today.

A #zeolite and a #feldspathoid

Is tectosilirific a word?

Fair enough, they are the major rock-forming minerals of the crust!

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If you ever play Scrabble and look for a word combining A, Ü (U umlaut, can be replaced by UE), and Y, here's your answer.

On top of that, haüyne is a beautiful mineral, a #feldspathoid from the #sodalite group.

#mineralogy

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