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Crystal systemHexagonal
Mohs scale hardness6[1]

Milarite is a rare beryllium.[2] It is a member of the osumilite group.[3] Crystals of this mineral typically come in green or yellow.[4] The mineral gets name after Val Milar.[5]


The mineral can be found be found in countries like Switzerland, Brazil, Mexico, China, Namibia, and the United States.[6]

It can be found in Alpine fissures.[5] the mineral also occurs in marble xenoliths.[7]


  1. ^ "Milarite".
  2. ^ Cairncross, Bruce (2011-11-05). Field Guide to Rocks & Minerals of Southern Africa. Penguin Random House South Africa. p. 289. ISBN 978-1-920544-68-3.
  3. ^ Manutchehr-Danai, Mohsen (2013-03-09). Dictionary of Gems and Gemology. Springer Science & Business Media. p. 314. ISBN 978-3-662-04288-5.
  4. ^ Gaft, Michael; Reisfeld, Renata; Panczer, Gerard (2015-11-29). Modern Luminescence Spectroscopy of Minerals and Materials. Springer. pp. 76–77. ISBN 978-3-319-24765-6.
  5. ^ a b Roth, Philippe (2007). Minerals First Discovered in Switzerland and Minerals Named After Swiss Individuals. Excalibur Mineral Corp. pp. 112–113. ISBN 978-3-9807561-8-1.
  6. ^ "Milarite". National Gem Lab (in American English). 2017-03-17. Retrieved 2021-09-10.
  7. ^ Mandarino, Joseph Anthony; Anderson, Violet (1989-03-31). Monteregian Treasures: The Minerals of Mont Saint-Hilaire, Quebec. CUP Archive. p. 140. ISBN 978-0-521-32632-2.