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苦土明礬 (kudomyouban) Japanese meaning: pickeringite | Kotomora

苦く土ど明みょう礬ばん

く

ど

みょ

う

ば

ん

Meanings

1

pickeringite

A rare magnesium aluminum sulfate mineral. Technical term used in mineralogy and geology.

苦く土ど明みょう礬ばんは、マグネシウムを含ふくむ硫りゅう酸さん塩えん鉱こう物ぶつの一いっ種しゅである

。

Pickeringite is a type of sulfate mineral containing magnesium.

Kanji

苦suffering, trial, worry
土soil, earth, ground
明bright, light
礬alum

Built from

苦く土ど+ミョウバン

Etymology

The Japanese name 苦土明礬 is composed of 苦土 (magnesia) and 明礬 (alum), reflecting its chemical composition as a magnesium alum. The exact historical derivation is uncertain.