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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Muscovite from
Vila Seca Mine, Vila Seca, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
- var Smoky Quartz1
Feldspar Group1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Vila Seca Mine, Vila Seca, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:487716
Long-form Identifier:1:3:487716:5
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.3km (0.2 miles) ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
1.7km (1.0 miles) ⓘCova da Raposa Mine, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
3.1km (1.9 miles) ⓘSandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal
3.4km (2.1 miles) ⓘCorvaceira quarry, Corvaceira, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
6.1km (3.8 miles) ⓘReal quarry, Real, Penalva do Castelo, Viseu, Portugal
8.1km (5.1 miles) ⓘRoto-Bote quarry, Vila Franca da Serra, Gouveia, Guarda, Portugal
8.5km (5.3 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
9.5km (5.9 miles) ⓘVenturinha, Sezures, Penalva do Castelo, Viseu, Portugal
12.3km (7.7 miles) ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
12.4km (7.7 miles) ⓘCurval Mine, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
References
Nuno Afonso collection
 
and/or  
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