Hey's Mineral Index
Hey's Mineral Index is a standard reference work in mineralogy. It is an alphabetical index of known mineral species and varieties, and includes synonyms.
Hey's Mineral Index is a standard reference work in mineralogy. It is an alphabetical index of known mineral species and varieties, and includes synonyms.
Hey's Mineral Index is a standard reference work in mineralogy. It is an alphabetical index of known mineral species and varieties, and includes synonyms.
Source: Wikipedia "Hey's Mineral Index" · CC BY-SA 4.0
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