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Ilmajokite

Named for the type and only locality near the Il’majok River in the Kola Peninsula in Russia. Ilmajokite is a rare mineral that occurs only at its type locality “on the walls of cavities in the central natrolite zone of pegmatites in a differentiated alkalic massif.” Associated minerals include sphalerite, halite, mountainite, nahcolite, and aegirine. Ilmajokite is water soluble.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/ilmajokite.pdf

Imiterite

Named after the Imiter mine in Morocco, which is the type locality for the mineral. Imiterite occurs in pyrite-bearing deposits and in hydrothermal vein deposits in localities in, additionally, Germany, the Czech Republic, Austria, Hungary, Italy, and the United States. Associated minerals include chalcopyrite, sphalerite, acanthite, polybasite, galena, arsenopyrite, pyrite, marcasite, and calcite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/imiterite.pdf

Inderite

Named for the type locality near Inder Lake in Kazakhstan. A rare mineral, localities for Inderite include in, additionally, the United States, Argentina, and Turkey, as well as newer localities in China, Russia, and Italy. Inderite occurs as a primary mineral in lacustrine borate deposits. Associated minerals include hydroboracite, borax, ulexite, orpiment, realgar, and kurnakovite. Primary hydrated Borate found in white (altered) to clear prismatic crystals. Most notable from Boron, California.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/inderite.pdf

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