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
Assinada 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 Assinada Mine, U.F Fail e Vila Chã de Sá, Viseu, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:913352
Long-form Identifier:1:3:913352:5
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
1.7km (1.1 miles) ⓘVale do Salgueiro Mine, U.F Fail e Vila Chã de Sá, Viseu, Viseu, Portugal
20.0km (12.4 miles) ⓘAmieiro Mine, Currelos, Carregal do Sal, Carregal do Sal, Viseu, Portugal
43.8km (27.2 miles) ⓘPalhal Mine, Branca, Albergaria-a-Velha, Aveiro, Portugal
50.0km (31.1 miles) ⓘNespereiro Mine, Palhais, Trancoso, Guarda, Portugal
50.7km (31.5 miles) ⓘVinhaça Mine, Fiães, Trancoso, Guarda, Portugal
51.5km (32.0 miles) ⓘSalão Mine, Rio de Mel, Trancoso, Guarda, Portugal
57.0km (35.4 miles) ⓘFonte Velha Mine, Torre de Terrenho， Terrenho e Sebadelhe da Serra, Trancoso, Guarda, Portugal
57.3km (35.6 miles) ⓘCorguinha Mine (Prazos Mine), Torre de Terrenho， Terrenho e Sebadelhe da Serra, Trancoso, Guarda, Portugal
67.4km (41.9 miles) ⓘSão Domingos Mine, Casteleiro, Sabugal, Guarda, Portugal
68.5km (42.6 miles) ⓘSerra da Pena Mine, Sortelha, Sabugal, Guarda, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1271U
 
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