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Rapidcreekite : ウィキペディア英語版 | Rapidcreekite
Rapidcreekite is a rare mineral with formula Ca2(SO4)(CO3)·4H2O. The mineral is white to colorless and occurs as groupings of acicular (needle-shaped) crystals. It was discovered in 1983 in northern Yukon, Canada, and described in 1986. Rapidcreekite is structurally and compositionally similar to gypsum. ==Description==
Rapidcreekite is transparent and white to colorless.〔 The mineral occurs as isolated clusters or pervasive crusts of radiating sprays of acicular crystals up to in length.〔〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Rapidcreekite」の詳細全文を読む
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