Last Updated
：2025/11/26
selwynite
Noun
Japanese Meaning
四角晶系（テトラゴナル）－二重ピラミッド形状を持つ、深い紫青色の鉱物で、主にアルミニウム、ベリリウム、水素、酸素、リン、カリウム、ナトリウム、ジルコニウムを含む
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(mineralogy) A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.
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selwynite
When the geologist first examined the specimen, she realized it was selwynite, a rare deep purplish-blue mineral with a tetragonal-ditetragonal dipyramidal crystal habit containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.
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When the geologist first examined the specimen, she realized it was selwynite, a rare deep purplish-blue mineral with a tetragonal-ditetragonal dipyramidal crystal habit containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.
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