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Castagnola, Vagli Sotto, Lucca Province, Tuscany, Italyi
Regional Level Types
Castagnola- not defined -
Vagli SottoCommune
Lucca ProvinceProvince
TuscanyRegion
Italy- not defined -

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Latitude & Longitude (WGS84):
44° 6' 37'' North , 10° 15' 39'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Vagli Sopra469 (2014)0.9km
Fontana delle Monache266 (2014)1.5km
Vagli Sotto112 (2014)2.2km
Gorfigliano629 (2014)4.1km
Roggio178 (2014)4.3km
Mindat Locality ID:
61609
Long-form identifier:
mindat:1:2:61609:9
GUID (UUID V4):
d7e23c3c-bca2-4c5e-bf82-a8a3918f6204


In this area are present some Mn mineralizations, represented by quartz and quartz-carbonate veins embedded in Diaspri (jasper) formation of Nucleo Metamorfico Apuano. There are also cm-thick layers of braunite and Mn-silicates, concordant with the main schistosity of the rocks (S1).
The importance of this area is due to the significant samples of hollandite and piemontite that are possible to collect here. Besides, scheelite from here represents the second occurrence in the Apuan Alps, after the occurrence cited by Duchi et al. (1993) among the minerals of Calcaferro mine, near Stazzema.
Sugilite and serandite are the second reports for Italy, after Cerchiara mine (Borghetto Vara, La Spezia).

It is possible to distinguish three kinds of occurrences of Mn-minerals:
- Type A: quartz-carbonate veins. In this occurrence there are a lot of species: albite, braunite, clinochlore, hematite, hollandite, muscovite, piemontite, rutile, scheelite, titanite.
- Type B: quartz veinlets. In this type of occurrence it is possible to find only nice braunite crystals and small globular aggregates of todorokite.
- Type C: braunite lenses. Usually the only mineral present is braunite. Rarely, there are also sugilite, serandite and a carbonate of Ca and Ba.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Habit: tabular
Colour: colorless
Description: Type A and C occurrence.
Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Habit: bypiramidal
Colour: black
Description: xls up to 3 mm. It is present in all the types of occurrence.
Calcite
Formula: CaCO3
Habit: rhombohedric or scalenohedric xls
Colour: white, colorless, brown
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Habit: globular aggregates of tabular xls
Colour: white
Description: Type A occurrence.
Ferrihollandite
Formula: Ba(Mn4+6Fe3+2)O16
Hematite
Formula: Fe2O3
Habit: tabular
Colour: black
Description: Type A and C occurrence.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: micaceous xls
Colour: orange, white
Description: Type A occurrence
Piemontite
Formula: (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Habit: prismatic xls
Colour: red
Description: Type A occurrence.
Quartz
Formula: SiO2
Habit: prismatic
Colour: colorless, white
Rutile
Formula: TiO2
Habit: prismatic, acicular
Colour: red, brown
Description: Type A occurrence.
Scheelite
Formula: Ca(WO4)
Habit: bypiramidal
Colour: white
Description: It contains 23 mol% Ca[MoO4]. Type A occurrence.
Serandite
Formula: NaMn2+2Si3O8(OH)
Habit: anhedral
Description: Its composition varies from Ser100Pct0 to Ser59Pct41. Type C occurrence.
Sudoite ?
Formula: Mg2Al3(Si3Al)O10)(OH)8
Sugilite
Formula: KNa2Fe3+2Li3[Si12O30]
Habit: anhedral or subhedral xls
Colour: violet
Description: Type C occurrence.
Titanite
Formula: CaTi(SiO4)O
Habit: tabular
Colour: yellow, orange
Description: Type A occurrence.
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Habit: globular aggregates of platy xls
Colour: brown, black
Description: Type B occurrence.

Gallery:

Mn2+Mn3+6(SiO4)O8 Braunite
Ba(Mn4+6Fe3+2)O16 Ferrihollandite
(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH) Piemontite
KNa2Fe3+2Li3[Si12O30] Sugilite
CaTi(SiO4)O Titanite

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Ferrihollandite4.DK.Ba(Mn4+6Fe3+2)O16
Todorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Braunite9.AG.05Mn2+Mn3+6(SiO4)O8
Titanite9.AG.15CaTi(SiO4)O
Piemontite9.BG.05a(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Sugilite9.CM.05KNa2Fe3+2Li3[Si12O30]
Serandite9.DG.05NaMn2+2Si3O8(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Sudoite ?9.EC.55Mg2Al3(Si3Al)O10)(OH)8
Albite9.FA.35Na(AlSi3O8)

List of minerals for each chemical element

HHydrogen
H ClinochloreMg5Al(AlSi3O10)(OH)8
H MuscoviteKAl2(AlSi3O10)(OH)2
H Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
H SeranditeNaMn22+Si3O8(OH)
H SudoiteMg2Al3(Si3Al)O10)(OH)8
H Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
LiLithium
Li SugiliteKNa2Fe23+Li3[Si12O30]
CCarbon
C CalciteCaCO3
OOxygen
O AlbiteNa(AlSi3O8)
O BrauniteMn2+Mn63+(SiO4)O8
O CalciteCaCO3
O ClinochloreMg5Al(AlSi3O10)(OH)8
O HematiteFe2O3
O MuscoviteKAl2(AlSi3O10)(OH)2
O Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
O QuartzSiO2
O RutileTiO2
O ScheeliteCa(WO4)
O SeranditeNaMn22+Si3O8(OH)
O SudoiteMg2Al3(Si3Al)O10)(OH)8
O SugiliteKNa2Fe23+Li3[Si12O30]
O TitaniteCaTi(SiO4)O
O Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
O FerrihollanditeBa(Mn64+Fe23+)O16
NaSodium
Na AlbiteNa(AlSi3O8)
Na SeranditeNaMn22+Si3O8(OH)
Na SugiliteKNa2Fe23+Li3[Si12O30]
Na Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg SudoiteMg2Al3(Si3Al)O10)(OH)8
Mg Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Al SudoiteMg2Al3(Si3Al)O10)(OH)8
Al Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BrauniteMn2+Mn63+(SiO4)O8
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Si QuartzSiO2
Si SeranditeNaMn22+Si3O8(OH)
Si SudoiteMg2Al3(Si3Al)O10)(OH)8
Si SugiliteKNa2Fe23+Li3[Si12O30]
Si TitaniteCaTi(SiO4)O
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K SugiliteKNa2Fe23+Li3[Si12O30]
K Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
CaCalcium
Ca CalciteCaCO3
Ca Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Ca ScheeliteCa(WO4)
Ca TitaniteCaTi(SiO4)O
Ca Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
TiTitanium
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn Piemontite(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Mn SeranditeNaMn22+Si3O8(OH)
Mn Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mn FerrihollanditeBa(Mn64+Fe23+)O16
FeIron
Fe HematiteFe2O3
Fe SugiliteKNa2Fe23+Li3[Si12O30]
Fe FerrihollanditeBa(Mn64+Fe23+)O16
SrStrontium
Sr Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
BaBarium
Ba Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Ba FerrihollanditeBa(Mn64+Fe23+)O16
WTungsten
W ScheeliteCa(WO4)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Italy

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
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