| Classification |
|---|
|
| Species: | Quartz var: Smoky Quartz |
| Formula: | SiO2 |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Smoky Quartz data |
| Locality Data: | Click here to view Venturinha, Sezures, Penalva do Castelo, Viseu, Portugal |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 159339 |
| Long-form Identifier: | 1:3:159339:6 |
| GUID (UUID V4): | 1e62d866-8d35-4eda-946f-641e6e52a153 |
| Nearest other occurrences of Smoky Quartz |
|---|
|
|
| 3.3km (2.0 miles) | ⓘCompanheiro No. 1 quarry, Sezures, Penalva do Castelo, Viseu, Portugal |
| 3.4km (2.1 miles) | ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal |
| 5.2km (3.2 miles) | ⓘCompanheiro No. 2 quarry, Sezures, Penalva do Castelo, Viseu, Portugal |
| 5.8km (3.6 miles) | ⓘCompanheiro No. 3 quarry, Sezures, Penalva do Castelo, Viseu, Portugal |
| 6.6km (4.1 miles) | ⓘFonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal |
| 6.8km (4.2 miles) | ⓘVila Longa, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal |
| 9.4km (5.9 miles) | ⓘCorvaceira quarry, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal |
| 9.5km (5.9 miles) | ⓘVila Seca Mine, Vila Seca, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 9.7km (6.0 miles) | ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 10.4km (6.5 miles) | ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal |
| References |
|---|
|
|
| Reference Search (possible matching items) |
|---|
 | | Book | | . . . . . Blue and Green Feldspars; Amazonite Smoky Feldspar. . . . . . . . Colored Feldspars with Inclusions...Critique of Models for Myrmekite 20.1.4 Symplectite of Quartz and Calcic Plagioclase 20.2 Spherulites, Granophyre...represent the truncated solvus in the Ab-Or system, as do the curves OE and PD in the Or-An system. The ternary...feldspar into denser minerals such as jadeite plus quartz 18 Introduction or coesite from albite and...to a monoclinic form (monalbite) and those which do not invert [high albite s.s.(sensu stricto)]; see |
|
