Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Nalbi, Impruneta, Metropolitan City of Florence, Tuscany, Italyi
Regional Level Types
NalbiMining Area
ImprunetaCommune
Metropolitan City of FlorenceProvince
TuscanyRegion
ItalyCountry

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Latitude & Longitude (WGS84):
43° 40' 54'' North , 11° 16' 37'' East
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
158704
Long-form identifier:
mindat:1:2:158704:6
GUID (UUID V4):
0
Name(s) in local language(s):
I Nalbi, Impruneta, Firenze, Toscana, Italia


This area between Nalbi Ditch and Grassina Torrent, east of the built-up area, was exploited along Nalbi Ditch around 1910 (Abresch claim), and several large copper blocks (over 100 kg also) were found.

After WW I, mining works restarted around 1932, and in 1937 six large copper blocks (the biggest of 1750 kg) were found.

Approximately in the same years, mining started along the Grassina torrent; all the workings were abandoned during WW II.

Map reference: Regione Toscana, CTR 1:10000 Table 275120.

GPS coordinates are approximate.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


31 valid minerals.

Detailed Mineral List:

Algodonite ?
Formula: (Cu1-xAsx)
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Anorthite
Formula: Ca(Al2Si2O8)
Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
Aragonite
Formula: CaCO3
'Asbestos'
Azurite
Formula: Cu3(CO3)2(OH)2
Baryte
Formula: BaSO4
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
Chalcanthite
Formula: CuSO4 · 5H2O
Chalcocite
Formula: Cu2S
Chlorapatite
Formula: Ca5(PO4)3Cl
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuprite
Formula: Cu2O
Cuprite var. Chalcotrichite
Formula: Cu2O
Datolite
Formula: CaB(SiO4)(OH)
'Diallage'
Digenite
Formula: Cu9S5
Diopside
Formula: CaMgSi2O6
Djurleite
Formula: Cu31S16
Enargite
Formula: Cu3AsS4
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Gypsum
Formula: CaSO4 · 2H2O
Ilmenite
Formula: Fe2+TiO3
Magnesite
Formula: MgCO3
Malachite
Formula: Cu2(CO3)(OH)2
Native Copper
Formula: Cu
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Talc
Formula: Mg3Si4O10(OH)2
Tenorite
Formula: CuO
Titanite
Formula: CaTi(SiO4)O
Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Zoisite var. Thulite
Formula: {Ca2}{Al,Mn3+3}(Si2O7)(SiO4)O(OH)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Algodonite ?2.AA.10a(Cu1-xAsx)
Chalcocite2.BA.05Cu2S
Djurleite2.BA.05Cu31S16
Digenite2.BA.10Cu9S5
Bornite2.BA.15Cu5FeS4
Pyrite2.EB.05aFeS2
Enargite2.KA.05Cu3AsS4
Group 4 - Oxides and Hydroxides
Cuprite
var. Chalcotrichite
4.AA.10Cu2O
4.AA.10Cu2O
Tenorite4.AB.10CuO
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Magnesite5.AB.05MgCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Aragonite5.AB.15CaCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Chalcanthite7.CB.20CuSO4 · 5H2O
Gypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
Chlorapatite8.BN.05Ca5(PO4)3Cl
Group 9 - Silicates
Titanite9.AG.15CaTi(SiO4)O
Datolite9.AJ.20CaB(SiO4)(OH)
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Zoisite
var. Thulite
9.BG.10{Ca2}{Al,Mn3+3}(Si2O7)(SiO4)O(OH)
9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Diopside9.DA.15CaMgSi2O6
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Anorthite9.FA.35Ca(Al2Si2O8)
var. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Unclassified
'Asbestos'-
'Diallage'-

List of minerals for each chemical element

HHydrogen
H AzuriteCu3(CO3)2(OH)2
H ChalcanthiteCuSO4 · 5H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H DatoliteCaB(SiO4)(OH)
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H GypsumCaSO4 · 2H2O
H MalachiteCu2(CO3)(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H TalcMg3Si4O10(OH)2
H Zoisite var. Thulite{Ca2}{Al,Mn33+}(Si2O7)(SiO4)O(OH)
H Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C AragoniteCaCO3
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C MagnesiteMgCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O AnorthiteCa(Al2Si2O8)
O AragoniteCaCO3
O AzuriteCu3(CO3)2(OH)2
O BaryteBaSO4
O CalciteCaCO3
O ChalcanthiteCuSO4 · 5H2O
O Cuprite var. ChalcotrichiteCu2O
O ChlorapatiteCa5(PO4)3Cl
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O CupriteCu2O
O DiopsideCaMgSi2O6
O DatoliteCaB(SiO4)(OH)
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O GypsumCaSO4 · 2H2O
O IlmeniteFe2+TiO3
O Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
O MagnesiteMgCO3
O MalachiteCu2(CO3)(OH)2
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
O Quartz var. Smoky QuartzSiO2
O TalcMg3Si4O10(OH)2
O TenoriteCuO
O Zoisite var. Thulite{Ca2}{Al,Mn33+}(Si2O7)(SiO4)O(OH)
O TitaniteCaTi(SiO4)O
O Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
NaSodium
Na Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DiopsideCaMgSi2O6
Mg MagnesiteMgCO3
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al AnorthiteCa(Al2Si2O8)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Al PrehniteCa2Al2Si3O10(OH)2
Al Zoisite var. Thulite{Ca2}{Al,Mn33+}(Si2O7)(SiO4)O(OH)
Al Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
SiSilicon
Si AnorthiteCa(Al2Si2O8)
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si DiopsideCaMgSi2O6
Si DatoliteCaB(SiO4)(OH)
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
Si Quartz var. Smoky QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si Zoisite var. Thulite{Ca2}{Al,Mn33+}(Si2O7)(SiO4)O(OH)
Si TitaniteCaTi(SiO4)O
Si Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
PPhosphorus
P ChlorapatiteCa5(PO4)3Cl
SSulfur
S BaryteBaSO4
S BorniteCu5FeS4
S ChalcanthiteCuSO4 · 5H2O
S ChalcociteCu2S
S DigeniteCu9S5
S DjurleiteCu31S16
S EnargiteCu3AsS4
S GypsumCaSO4 · 2H2O
S PyriteFeS2
ClChlorine
Cl ChlorapatiteCa5(PO4)3Cl
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca AnorthiteCa(Al2Si2O8)
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca ChlorapatiteCa5(PO4)3Cl
Ca DiopsideCaMgSi2O6
Ca DatoliteCaB(SiO4)(OH)
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca GypsumCaSO4 · 2H2O
Ca Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Zoisite var. Thulite{Ca2}{Al,Mn33+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
Ca Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
TiTitanium
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn Zoisite var. Thulite{Ca2}{Al,Mn33+}(Si2O7)(SiO4)O(OH)
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe BorniteCu5FeS4
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
CuCopper
Cu Algodonite(Cu1-xAsx)
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu ChalcanthiteCuSO4 · 5H2O
Cu ChalcociteCu2S
Cu Cuprite var. ChalcotrichiteCu2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu CupriteCu2O
Cu Native CopperCu
Cu DigeniteCu9S5
Cu DjurleiteCu31S16
Cu EnargiteCu3AsS4
Cu MalachiteCu2(CO3)(OH)2
Cu TenoriteCuO
AsArsenic
As Algodonite(Cu1-xAsx)
As EnargiteCu3AsS4
BaBarium
Ba BaryteBaSO4

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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