Mineevite-(Y)

Specimen ID: H8Q-JUN

Mineral(s)
Mineevite-(Y) : Na25Ba(Y,Gd,Dy)2(CO3)11(HCO3)4(SO4)2F2Cl
Locality
Mindat locality:
Events

Photo added to mindat.org

Agregate of light coloured greenish-yellow grains of Mineevite-(Y) on white K-feldspar matrix. Mineevite covered by earthy and microfibrous masses of whitish and pinkish products of alteration. Part of the holotype. In beginning of 90th we together with Elena V. Vlasova had investigate mechanism of thermal decomposition of Mineevite by IR-spectroscopy. FOV is ~3.5x2 mm. Material of Alexandr P. Khomyakov. Pavel M. Kartashov collection and photo.
Pavel Kartashov - 17th June 2008

Photo added to mindat.org

The same specimen under slightly different lighting. Agregate of light coloured greenish-yellow grains of mineevite-(Y) on white K-feldspar matrix. Mineevite covered by earthy and microfibrous masses of whitish and pinkish products of alteration. Part of the holotype. FOV is ~3x2 mm. Material of Alexandr P. Khomyakov. Pavel M. Kartashov collection and photo.
Pavel Kartashov - 17th June 2008

Photo added to mindat.org

Agregate of light coloured greenish-yellow grains of mineevite-(Y) on white K-feldspar matrix. Mineevite covered by earthy and microfibrous masses of whitish and pinkish products of alteration. Part of the holotype. FOV is ~4x3.5 mm. Material of Alexandr P. Khomyakov. Pavel M. Kartashov collection and photo.
Pavel Kartashov - 17th June 2008
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