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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Chalcedony from
Głuszyca Górna melaphyre quarry, Głuszyca Górna, Gmina Głuszyca, Wałbrzych County, Lower Silesian Voivodeship, Poland


Locality type:Quarry
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Głuszyca Górna melaphyre quarry, Głuszyca Górna, Gmina Głuszyca, Wałbrzych County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1475724
Long-form Identifier:1:3:1475724:8
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
6.3km (3.9 miles) ⓘŚwierki melaphyre quarry, Świerki, Gmina Nowa Ruda, Kłodzko County, Lower Silesian Voivodeship, Poland
20.8km (12.9 miles) ⓘSłupiec gabbro dump, Nowa Ruda, Kłodzko County, Lower Silesian Voivodeship, Poland
22.0km (13.7 miles) ⓘBorówno melaphyre quarry, Krzeszów, Gmina Kamienna Góra, Kamienna Góra County, Lower Silesian Voivodeship, Poland
23.9km (14.9 miles) ⓘMrówieniec melaphyre outcrops, Suszyna, Gmina Radków, Kłodzko County, Lower Silesian Voivodeship, Poland
24.6km (15.3 miles) ⓘMount Bukowina, Kamienna Góra, Kamienna Góra County, Lower Silesian Voivodeship, Poland
24.8km (15.4 miles) ⓘAnielska Góra rhyolite quarry, Przedwojów, Gmina Kamienna Góra, Kamienna Góra County, Lower Silesian Voivodeship, Poland
26.0km (16.2 miles) ⓘNiwa melaphyre outcrops, Niwa, Gmina Szczytna, Kłodzko County, Lower Silesian Voivodeship, Poland
26.3km (16.4 miles) ⓘKamieniec melaphyre quarry, Kamieniec, Gmina Kłodzko, Kłodzko County, Lower Silesian Voivodeship, Poland
27.1km (16.8 miles) ⓘ'Wiry' magnesite mine, Wirki, Gmina Marcinowice, Świdnica County, Lower Silesian Voivodeship, Poland
27.5km (17.1 miles) ⓘMount Łopianka, Wilcza, Gmina Kłodzko, Kłodzko County, Lower Silesian Voivodeship, Poland
References
Krzysztof Andrzejewski
 
and/or  
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