ПроисхождениеCountry:USAPublished:1963Oldest age Ma:1080Paragenetic modes:Abiotic, Primary, Stage 3a: Earth's earliest Hadean crust, PM10 - Basalt-hosted zeolite minerals
ПримечанияWilliams S A (1963) Anthonyite and calumetite, two new minerals from the Michigan copper district. American Mineralogist 48, 614-619