Casnaggina Valley, Villa di Chiavenna, Sondrio Province, Lombardy, Italyi
| Regional Level Types | |
|---|---|
| Casnaggina Valley | Valley |
| Villa di Chiavenna | Municipality |
| Sondrio Province | Province |
| Lombardy | Region |
| Italy | Country |
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Latitude & Longitude (WGS84):
46° 18' 39'' North , 9° 32' 10'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Name(s) in local language(s):
Valle Casnaggina, Villa di Chiavenna, Val Bregaglia, Valchiavenna, Sondrio, Lombardia, Italia
Casnaggina stream (Torrente Casnaggina), which flows through the homonymous valley, forms the border between Italy and Switzerland.
Pegmatite dykes (containing spessartine, beryl, and schorl) crop out in the glacial cirque to the NE of Cima del Vallon, at an elevation of about 2200 m. Other similar dykes are situated in the area of Bocchetta della Teggiola (partly in Swiss territory, see http://www.mindat.org/loc-267720.html). Here, chrysoberyl and bismuthinite have also been found. Pegmatite dykes with beryl, zircon, spessartine, and schorl are known to the south of Alpe Spluga, below Cima del Vallon.
Blocks of andalusite-bearing mica schist are found along the riverbed. Andalusite is associated with minor sillimanite, cordierite, staurolite, and kyanite. Other well-known andalusite sites are located on the Swiss right side of the valley. On the Italian left side of the valley, green crystals of cordierite (up to 3 cm) embedded in quartz veins have been found above Bondea.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
12 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Andalusite Formula: Al2(SiO4)O |
| ⓘ Beryl Formula: Be3Al2(Si6O18) |
| ⓘ Bismuthinite Formula: Bi2S3 |
| ⓘ Chrysoberyl Formula: BeAl2O4 |
| ⓘ Cordierite Formula: (Mg,Fe)2Al3(AlSi5O18) |
| ⓘ Kyanite Formula: Al2(SiO4)O |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ Sillimanite Formula: Al2(SiO4)O |
| ⓘ Spessartine Formula: Mn2+3Al2(SiO4)3 |
| ⓘ Zircon Formula: Zr(SiO4) |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Bismuthinite | 2.DB.05 | Bi2S3 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Chrysoberyl | 4.BA.05 | BeAl2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Spessartine | 9.AD.25 | Mn2+3Al2(SiO4)3 |
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Sillimanite | 9.AF.05 | Al2(SiO4)O |
| ⓘ | Andalusite | 9.AF.10 | Al2(SiO4)O |
| ⓘ | Kyanite | 9.AF.15 | Al2(SiO4)O |
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Cordierite | 9.CJ.10 | (Mg,Fe)2Al3(AlSi5O18) |
| ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Be | Beryllium | |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| Be | ⓘ Chrysoberyl | BeAl2O4 |
| B | Boron | |
| B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | Oxygen | |
| O | ⓘ Andalusite | Al2(SiO4)O |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Chrysoberyl | BeAl2O4 |
| O | ⓘ Cordierite | (Mg,Fe)2Al3(AlSi5O18) |
| O | ⓘ Kyanite | Al2(SiO4)O |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | ⓘ Sillimanite | Al2(SiO4)O |
| O | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| O | ⓘ Zircon | Zr(SiO4) |
| Na | Sodium | |
| Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Mg | Magnesium | |
| Mg | ⓘ Cordierite | (Mg,Fe)2Al3(AlSi5O18) |
| Al | Aluminium | |
| Al | ⓘ Andalusite | Al2(SiO4)O |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Chrysoberyl | BeAl2O4 |
| Al | ⓘ Cordierite | (Mg,Fe)2Al3(AlSi5O18) |
| Al | ⓘ Kyanite | Al2(SiO4)O |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | ⓘ Sillimanite | Al2(SiO4)O |
| Al | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Si | Silicon | |
| Si | ⓘ Andalusite | Al2(SiO4)O |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Cordierite | (Mg,Fe)2Al3(AlSi5O18) |
| Si | ⓘ Kyanite | Al2(SiO4)O |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | ⓘ Sillimanite | Al2(SiO4)O |
| Si | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Si | ⓘ Zircon | Zr(SiO4) |
| S | Sulfur | |
| S | ⓘ Bismuthinite | Bi2S3 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Mn | Manganese | |
| Mn | ⓘ Spessartine | Mn32+Al2(SiO4)3 |
| Fe | Iron | |
| Fe | ⓘ Cordierite | (Mg,Fe)2Al3(AlSi5O18) |
| Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Bi | Bismuth | |
| Bi | ⓘ Bismuthinite | Bi2S3 |
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- AlpsAccretionary Complex
EuropeContinent
- The AlpsMountain Range
Italy
- Lombardy
- Sondrio Province
- ValchiavennaGroup of Valleies
- Lower Bregaglia ValleyValley
- ValchiavennaGroup of Valleies
- Sondrio Province
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Casnaggina Valley, Villa di Chiavenna, Sondrio Province, Lombardy, Italy