A blue or purple mineral consisting of sulfate and hydroxide of calcium, aluminum, and iron, found in ore deposits.
A mineralogical term created with the '-ite' suffix, likely named after a place or person (following mineral-naming conventions), though the specific origin is less documented.
Creedite's blue and purple colors made it popular with mineral collectors, but ironically, most people have never heard of it—it's a beautiful example of how scientific naming preserves knowledge even for obscure discoveries!
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