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Kidwellite

Named after Albert Laws Kidwell of Texas, USA for his contributions to the knowledge of Arkansas phosphate deposits. Kidwellite is an uncommon mineral that can be found as a replacement for early phosphate minerals. It occurs in localities in the United States, Germany, England, Australia, and Namibia, among a few others.

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

Kimuraite-(Y)

Named for Professor Kenjiro Kimura at the Tokyo University in Japan who made large contributions to rare earth mineralogy. Kimuraite is a rare mineral that can be found only in Japan, Russia, and Sweden. It occurs in fissures in alkalic olivine basalts. Kimuraite crystals fluoresce bright red to purple under both short- and long-wave ultraviolet light.

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

Kinoite

Named for Father Eusebio Francisco Kino, a Jesuit pioneer of the Sonora-Arizona-California area. Found only in Japan and the United States, Kinoite is a rare mineral that occurs in vugs and veins through skarn and in pockets in basaltic lava flows.

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

Kladnoite

Named after its type locality at the Kladno mine in the Kladno district of the Czech Republic. One additional locality for this rare mineral occurs in Russia in the Southern Urals. Kladnoite forms as a result of coal heap fires. Kladnoite is typically colorless to white to a pale yellow and forms elongate crystals.

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

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