Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Chalcocite from
Vale do Salgueiro Mine, U.F Fail e Vila Chã de Sá, Viseu, Viseu, Portugal


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Vale do Salgueiro Mine, U.F Fail e Vila Chã de Sá, Viseu, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:913351
Long-form Identifier:1:3:913351:8
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
1.7km (1.1 miles) ⓘAssinada Mine, U.F Fail e Vila Chã de Sá, Viseu, Viseu, Portugal
19.8km (12.3 miles) ⓘAmieiro Mine, Currelos, Carregal do Sal, Carregal do Sal, Viseu, Portugal
42.2km (26.2 miles) ⓘPalhal Mine, Branca, Albergaria-a-Velha, Aveiro, Portugal
51.6km (32.1 miles) ⓘNespereiro Mine, Palhais, Trancoso, Guarda, Portugal
52.4km (32.6 miles) ⓘVinhaça Mine, Fiães, Trancoso, Guarda, Portugal
53.1km (33.0 miles) ⓘSalão Mine, Rio de Mel, Trancoso, Guarda, Portugal
58.5km (36.4 miles) ⓘFonte Velha Mine, Torre de Terrenho， Terrenho e Sebadelhe da Serra, Trancoso, Guarda, Portugal
58.9km (36.6 miles) ⓘCorguinha Mine (Prazos Mine), Torre de Terrenho， Terrenho e Sebadelhe da Serra, Trancoso, Guarda, Portugal
68.9km (42.8 miles) ⓘSão Domingos Mine, Casteleiro, Sabugal, Guarda, Portugal
69.7km (43.3 miles) ⓘLugar do Seixo Mine, Galafura e Covelinhas, Peso da Régua, Vila Real, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1274U
 
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