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Imayoshiite with Sphalerite, Tobermorite (Group) and Calcite
Imayoshiite with Sphalerite, Tobermorite (Group) and Calcite
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Imayoshiite with Sphalerite, Tobermorite (Group) and Calcite (Ref: MFR6AP3)

Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region  China
223mm x 137mm x 48mm
$9905 *
One of the best, if not the best, Imayoshiite of very large size, coming from the 2021 finds that yielded the best known so far for the species. On a good size group of very lustrous twinned Sphalerite crystals several Calcite crystals with dominant scalenohedral forms have been precipitated and then were in turn covered almost entirely by whitish Tobermorite-Clinotobermorite crystals and, finally, a large quantity of Imayoshiite crystals of a pale cream color. Thanks to three "windows" in the Calcite crystals we can see the whole process of formation. This very "geological" specimen has been analyzed and we will send a copy of the analysis to the buyer.
To learn more about this species and the rest of the paragenesis discovered so far in this mine it is essential to read the article ‘Rare Borate Minerals from the Shijiangshan-Shalonggou Deposits, Hexigten Banner, Inner Mongolia, China', whose authors are César Menor-Salván, Berthold Ottens and Ed Richard, featured in Rocks & Minerals, September/October 2021, volume 96, number 5
Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region  China (09/2021)

Specimen size: 22.3 × 13.7 × 4.8 cm = 8.78” × 5.39” × 1.89”

Main crystal size: 1.1 × 0.8 cm = 0.43” × 0.31”
Data last checked on 1st Dec 2022 - specimen may no longer be available

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See Also

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Calcite
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Calcite
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Prehnite Cast After Anhydrite With Calcite
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Pyrite with Quartz, Sphalerite
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Azurite
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$10000
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Zincite (co-type locality) on Franklinite
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$10000
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Weloganite, Dawsonite, Quartz
Francon Quarry, Montreal, Quebec, Canada
$10000
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Carletonite
Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada (TL)
$10000
70mm x 30mm x 20mm
BERYL var. MORGANITE - Urucum Claim, Brazil
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Diaspore with Margarite
Ilbir Mountain, Pinarcik, Milâs District, Muğla Province, Aegean Region  Turkey
$9707 *
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Weloganite (huge crystal) with Sphalerite, Quartz etc. in matrix.
Francon Quarry, Montreal, Quebec, Canada
$8500
80mm x 58mm x 46mm
* price is an approximate conversion and may not be accurate.

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