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Kimuraite-(Y) - Mitsukoshi, Hizen-cho, Higashi-Matsuura-gun, Saga Prefecture, Kyushu Region, Japan
(#:MINS8950)
Pearly aggregate 7 mm wide of Kimuraite-(Y) well-placed on the basalt matrix. Is a very rare hydrated calcium-yttrium-neodymium carbonate found in fissures in alkali olivice baslats.
Formula :
Ca(Y,Nd)
2
[CO
3
]
4
* 6 H
2
O
System:
orthorhombic
Hardness:
2½
Rarity:
very rare
Strunz id:V/D.3-50 - NITRATES, CARBONATES and BORATES
Name origin:
For professor Kenjiro Kimura (1896-1988), Tokyo University.
Specimen weight:20 gr.
Crystal size:Up to 7 mm long
Overall size: 38mm x 32 mm x 27 mm
Related Products :
Japan
2-(MI) - Miniature (Max 5.0 cm)
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