Home > Term: rock-butter
rock-butter
A soft mineral substance found oozing from alum slates, and consisting of alum, alumina, and oxide of iron.
- Part of Speech: noun
- Industry/Domain: Language
- Category: Encyclopedias
- Organization: Project Gutenberg
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Creator
- JohannesDD
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(V.I.P) 14638 points - 100% positive feedback
(Sydney, Australia)
