Mineralpedia Details for Kainosite-(Y)
Kainosite-(Y)
Named after the Greek word kainos, meaning “unusual,” in reference to its rarity and exotic composition. Kainosite can be found in pegmatite and granite vugs. Localities for Kainosite can be found in Norway, Sweden, Switzerland, Austria, Italy, Russia, the United States, and Canada. Assocaited minerals include chamosite, pyrite, quartz, calcite, sphalerite, fluorite, uraninite, zircon, molybdenite, diopside, magnetite, clinochlore, and apatite.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/kainositey.pdf
- Formula
- Ca2Y2(SiO3)4(CO3)·H2O
- Crystal System
- Orthorhombic
- Crystal Habit
- Prismatic, Wheat Sheaf
- Cleavage
- Good, None, None
- Luster
- Vitreous - Resinous
- Color
- brown, colorless, green yellow, yellow, light yellow brown
- Streak
- white
- Class
- Orthorhombic - Dipyramidal
- Fracture
- Brittle - Uneven
- Hardness
- 5-6
- WebMineral
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Kainosite-(Y) from Washington Pass, Okanogan Co., Washington, United States
Micro octahedral crystals to less than 0.75mm occurring on dark green prismatic Gadolinite.
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