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Definition of Ursilite
1. Noun. (minerology) An orthorhombic mineral containing calcium, hydrogen, magnesium, oxygen, silicon, and uranium. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) An orthorhombic mineral containing calcium, hydrogen, magnesium, oxygen, silicon, and uranium. ¹
¹ Source: wiktionary.com