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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Opal from
Heling Mn deposit, Yuhu District, Xiangtan, Hunan, China


Locality type:Deposit
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Heling Mn deposit, Yuhu District, Xiangtan, Hunan, China
Data Identifiers
Mindat Occurrence Record ID:793898
Long-form Identifier:1:3:793898:6
GUID (UUID V4):0
Nearest other occurrences of Opal
35.8km (22.2 miles) ⓘXiaojiashan Au deposit, Liling goldfield, Liling Co., Zhuzhou, Hunan, China
80.2km (49.8 miles) ⓘTangganshan Mine, Heshan District, Yiyang, Hunan, China
88.3km (54.9 miles) ⓘBaihua’ao Fluorite deposit, Lianyuan Co., Loudi, Hunan, China
References
Ziqiang Wei (1976): Geology and Prospecting 12(8), 25-29
 
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