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Luna pegmatitic dyke, Dorio, Lecco Province, Lombardy, Italyi
Regional Level Types
Luna pegmatitic dykeDike
DorioCommune
Lecco ProvinceProvince
LombardyRegion
ItalyCountry

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Key
Latitude & Longitude (WGS84):
46° 6' 30'' North , 9° 19' 50'' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Dorio323 (2017)1.3km
Olgiasca241 (2014)1.4km
Sueglio167 (2014)2.6km
Vestreno228 (2014)2.9km
Introzzo137 (2014)3.2km
Name(s) in local language(s):
Filone Luna, Vestreno, Lecco, Lombardia, Italy


Pegmatitic dyke located on the northern flank of Monte Legnoncino, at an elevation of about 600 m a.s.l. between San Rocco and Alpe Perdonasco, about 1.5 km WSW of the Alpe Sparesè pegmatitic dykes and 1 km SSE of the Laghetto pegmatitic dyke (Piona Peninsula).

The dyke, mined for feldspar and mica, had been almost completely removed from the embedding rocks. Minerals are found in the small dumps and rock accumulations near the mining site or in loose pegmatite blocks rolled down in the wood.

The best way to get to the Luna pegmatitic dyke is from Alpe Sparesè. Starting from there, the route follows westwards the so-called “Sentiero del Viandante” (an ancient pathway connecting Milan to Valtellina and Switzerland) for about 40 minutes. After reaching a little chapel-shelter and passing through a rock-cut stairway (series of about ten steps), on the left of the path, some white boulders of pegmatite appear on the steep wooded slope: leave the path and turn left into the wood, where blocks of pegmatite are scattered along the steep slope. If you go uphill, you can reach the remains of a ropeway and an old compressor, located near the the place where the pegmatite dyke was excavated. The landfill is scattered along the steep wooded slope, you can also see the threads of an old cable car, where the wires end of the cable car is an old compressor and the remains of the pegmatite vein.

Luna dyke is one of the big 10 dykes of the Piona pegmatite swarm, which is embedded into the high-grade metapelites (sillimanite-, garnet-bearing gneiss) of the Dervio-Olgiasca Zone (DOZ). The DOZ, which belongs to the crystalline basement of the Central Southern Alps, represents a segment of upper to middle continental crust, originated after Variscan intermediate pressure amphibolite facies metamorphism and exumated during the Alpine orogenesis (di Paola & Spalla, 2000). The granitic nature of melt is established by the primary mineralogical composition of the dyke: quartz, feldspar, and muscovite. Typical accessories are: garnet (almandine-spessartine), schorl, and phosphates.

Masses of primary phosphates have been found in a pegmatite portion rich in oligoclase, with minor muscovite and schorl. These masses consist of sarcopside lamellae embedded in graftonite with minor triphylite and a well-developed alteration rim, which includes various alteration-induced phosphate minerals (such as ferrisicklerite, ferrostrunzite, jahnsite-(CaMnFe), heterosite, kryzhanovskite, lipscombite, etc.).

Phosphates from the Luna pegmatitic dyke have been described and correctly identified in different times: graftonite and vivianite (Scaini, 1970, Gramaccioli, 1975); sarcopside, triphylite, ferrisicklerite, ferrostrunzite, heterosite, jahnsite-(CaMnFe), kryzhanovskite, lipscombite, rockbridgeite, and whitmoreite (Vignola & Diella, 2007; Vignola et al., 2010; Vignola, Diella et al., 2011; Vignola, Fransolet et al., 2011); arrojadite-(BaNa) (Vignola et al., 2015).

Note: the mineral of the arrojadite group found in 2011 and initially supposed arrojadite-(KNa), by analogy with the same species described at the Malpensata pegmatitic dyke by Vignola, Fransolet et al. (2011), revealed a different chemical composition; consequently, it has been recognized as a new mineral species (IMA 2014-071), named arrojadite-(BaNa).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


23 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Vignola P., Fransolet A.-M., Diella V., Ferrari E.S. (2010): Alteration process of a graftonite + sarcopside + triphylite primary phosphate association from Luna pegmatitic dike, Lecco province, Italy. 20th General Meeting of the International mineralogical Association, 21-27 August 2010, Budapest, Hungary. Acta Mineral. Petrogr., Abstract Series, 6, 610; Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: Vignola P., Fransolet A.-M., Diella V., Ferrari E.S. (2010): Alteration process of a graftonite + sarcopside + triphylite primary phosphate association from Luna pegmatitic dike, Lecco province, Italy. 20th General Meeting of the International mineralogical Association, 21-27 August 2010, Budapest, Hungary. Acta Mineral. Petrogr., Abstract Series, 6, 610; Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011). Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38.; Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Arrojadite-(BaNa) (TL)
Formula: BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)
Type Locality:
Reference: Vignola, P., Hatert, F., Baijot, M., Dal Bo, F., Andò , S., Bersani, D., Risplendente, A. and Vanini, F. (2015) Arrojadite-(BaNa), IMA 2014-071. CNMNC Newsletter No. 23, February 2015, page 55; Mineralogical Magazine, 79, 51-58.; Vignola, P., Hatert, F., Baijot, M., Dal Bo, F., Andò, S., Bersani, D., Pavese, A., Risplendente, A., Vanini, F. (2016): Arrojadite-(BaNa), BaNa3(Na,Ca)Fe^2+13Al(PO4)11(PO3OH)(OH)2, A New Phosphate Mineral From the Luna Albite Pegmatite, Dorio Commune, Lecco Province, Italy. Canadian Mineralogist: 54: 1021-1032.
Arsenopyrite
Formula: FeAsS
Reference: Paolo Bosio collection
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Description: Inclusions in pegmatite
Reference: Personally collected by Günter Frenz
'Feldspar Group'
Reference: Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Ferrisicklerite
Formula: Li1-x(Fe3+xFe2+1-x)PO4
Reference: Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011). Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38.; Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Ferrostrunzite
Formula: Fe2+Fe3+2(PO4)2(OH)2 · 6H2O
Reference: Vignola et al. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Canadian Mineralogist. 49, 765-776.; Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Graftonite
Formula: Fe2+Fe2+2(PO4)2
Reference: Vignola et al. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Canadian Mineralogist. 49, 765-776.; Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Heterosite
Formula: (Fe3+,Mn3+)PO4
Reference: Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011). Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38.; Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Jahnsite-(CaMnFe)
Formula: {Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O
Reference: Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Kryzhanovskite
Formula: (Fe3+,Mn2+)3(PO4)2(OH,H2O)3
Reference: Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Lipscombite
Formula: Fe2+Fe3+2(PO4)2(OH)2
Reference: Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011). Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38.; Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Pyrite
Formula: FeS2
Reference: Paolo Bosio collection
Pyrrhotite
Formula: Fe7S8
Reference: Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Quartz
Formula: SiO2
Reference: Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Rockbridgeite
Formula: Fe2+Fe3+4(PO4)3(OH)5
Reference: Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Sarcopside
Formula: (Fe2+,Mn2+,Mg)3(PO4)2
Reference: Vignola P., Fransolet A.-M., Diella V., Ferrari E.S. (2010): Alteration process of a graftonite + sarcopside + triphylite primary phosphate association from Luna pegmatitic dike, Lecco province, Italy. 20th General Meeting of the International mineralogical Association, 21-27 August 2010, Budapest, Hungary. Acta Mineral. Petrogr., Abstract Series, 6, 610; Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011). Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38.; Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Triphylite
Formula: LiFe2+PO4
Reference: Vignola et al. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Canadian Mineralogist. 49, 765-776.; Vignola P., Fransolet A.-M., Diella V., Ferrari E.S. (2010): Alteration process of a graftonite + sarcopside + triphylite primary phosphate association from Luna pegmatitic dike, Lecco province, Italy. 20th General Meeting of the International mineralogical Association, 21-27 August 2010, Budapest, Hungary. Acta Mineral. Petrogr., Abstract Series, 6, 610;
Vivianite
Formula: Fe2+3(PO4)2 · 8H2O
Reference: Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Whitmoreite
Formula: Fe2+Fe3+2(PO4)2(OH)2 · 4H2O
Reference: Vignola P., Diella V., Ferrari E.S., Fransolet A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Can. Mineral., 49, 765-776.
Zircon
Formula: Zr(SiO4)
Description: Raman spectroscopy performed by I. Rocchetti, May 2011.
Reference: Paolo Bosio collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Arrojadite-(BaNa) (TL)8.BF.05BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)
Ferrisicklerite8.AB.10Li1-x(Fe3+xFe2+1-x)PO4
Ferrostrunzite8.DC.25Fe2+Fe3+2(PO4)2(OH)2 · 6H2O
Graftonite8.AB.20Fe2+Fe2+2(PO4)2
Heterosite8.AB.10(Fe3+,Mn3+)PO4
Jahnsite-(CaMnFe)8.DH.15{Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O
Kryzhanovskite8.CC.05(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
Lipscombite8.BB.90Fe2+Fe3+2(PO4)2(OH)2
Rockbridgeite8.BC.10Fe2+Fe3+4(PO4)3(OH)5
Sarcopside8.AB.15(Fe2+,Mn2+,Mg)3(PO4)2
Triphylite8.AB.10LiFe2+PO4
Vivianite8.CE.40Fe2+3(PO4)2 · 8H2O
Whitmoreite8.DC.15Fe2+Fe3+2(PO4)2(OH)2 · 4H2O
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Almandine9.AD.25Fe2+3Al2(SiO4)3
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Feldspar Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Ferrisicklerite38.1.4.1Li1-x(Fe3+xFe2+1-x)PO4
Triphylite38.1.1.1LiFe2+PO4
(AB)3(XO4)2
Graftonite38.3.3.1Fe2+Fe2+2(PO4)2
Sarcopside38.3.1.1(Fe2+,Mn2+,Mg)3(PO4)2
AXO4
Heterosite38.4.1.1(Fe3+,Mn3+)PO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Kryzhanovskite40.3.2.2(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
Vivianite40.3.6.1Fe2+3(PO4)2 · 8H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)3Zq
Rockbridgeite41.9.2.1Fe2+Fe3+4(PO4)3(OH)5
(AB)3(XO4)2Zq
Lipscombite41.10.2.1Fe2+Fe3+2(PO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)2Zq·xH2O
Ferrostrunzite42.11.9.2Fe2+Fe3+2(PO4)2(OH)2 · 6H2O
Jahnsite-(CaMnFe)42.11.2.2{Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O
Whitmoreite42.11.20.1Fe2+Fe3+2(PO4)2(OH)2 · 4H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Chamosite71.4.1.7(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
var: Oligoclase-(Na,Ca)[Al(Si,Al)Si2O8]
Arrojadite-(BaNa) (TL)-BaNa3(NaCa)Fe2+13Al(PO4)11(PO3OH)(OH)
'Feldspar Group'-

List of minerals for each chemical element

HHydrogen
H Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Kryzhanovskite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
H FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
H Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
H RockbridgeiteFe2+Fe43+(PO4)3(OH)5
H WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
H LipscombiteFe2+Fe23+(PO4)2(OH)2
H VivianiteFe32+(PO4)2 · 8H2O
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
LiLithium
Li FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
Li TriphyliteLiFe2+PO4
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O AlmandineFe32+Al2(SiO4)3
O MuscoviteKAl2(AlSi3O10)(OH)2
O FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
O Heterosite(Fe3+,Mn3+)PO4
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O GraftoniteFe2+Fe22+(PO4)2
O Kryzhanovskite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
O FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
O Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
O RockbridgeiteFe2+Fe43+(PO4)3(OH)5
O WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
O Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2
O TriphyliteLiFe2+PO4
O LipscombiteFe2+Fe23+(PO4)2(OH)2
O ZirconZr(SiO4)
O QuartzSiO2
O VivianiteFe32+(PO4)2 · 8H2O
O AlbiteNa(AlSi3O8)
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
NaSodium
Na Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
AlAluminium
Al Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al AlmandineFe32+Al2(SiO4)3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al AlbiteNa(AlSi3O8)
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
SiSilicon
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si AlmandineFe32+Al2(SiO4)3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si ZirconZr(SiO4)
Si QuartzSiO2
Si AlbiteNa(AlSi3O8)
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
PPhosphorus
P Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)
P FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
P Heterosite(Fe3+,Mn3+)PO4
P GraftoniteFe2+Fe22+(PO4)2
P Kryzhanovskite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
P FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
P Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
P RockbridgeiteFe2+Fe43+(PO4)3(OH)5
P WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
P Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2
P TriphyliteLiFe2+PO4
P LipscombiteFe2+Fe23+(PO4)2(OH)2
P VivianiteFe32+(PO4)2 · 8H2O
SSulfur
S PyrrhotiteFe7S8
S PyriteFeS2
S ArsenopyriteFeAsS
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
MnManganese
Mn Heterosite(Fe3+,Mn3+)PO4
Mn Kryzhanovskite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
Mn Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
FeIron
Fe Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe AlmandineFe32+Al2(SiO4)3
Fe FerrisickleriteLi1-x(Fex3+Fe2+1-x)PO4
Fe Heterosite(Fe3+,Mn3+)PO4
Fe GraftoniteFe2+Fe22+(PO4)2
Fe Kryzhanovskite(Fe3+,Mn2+)3(PO4)2(OH,H2O)3
Fe FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
Fe Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
Fe RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Fe WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
Fe Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2
Fe TriphyliteLiFe2+PO4
Fe LipscombiteFe2+Fe23+(PO4)2(OH)2
Fe VivianiteFe32+(PO4)2 · 8H2O
Fe PyrrhotiteFe7S8
Fe PyriteFeS2
Fe ArsenopyriteFeAsS
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
AsArsenic
As ArsenopyriteFeAsS
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba Arrojadite-(BaNa)BaNa3(NaCa)Fe132+Al(PO4)11(PO3OH)(OH)

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Scaini G. (1970): Filone pegmatitico "Luna". In: Boscardin M., De Michele V., Scaini G., 1970, Itinerari mineralogici della Lombardia. Ed. Museo Civ. St. Nat. e Soc. It. Sci. Nat., Milano, page 53.
Gramaccioli C.M. (1975): Minerali alpini e prealpini. Istituto Italiano Edizioni Atlas, Bergamo, 2 vol., 472 pp.
Di Paola S., Spalla M.I. (2000): Contrasting tectonic records in pre-Alpine metabasites of the Southern Alps (lake Como, Italy). Journal of Geodynamics, 30, 167-189.
Vignola P., Diella V. (2007): Phosphates from Piona granitic pegmatites (Central Southern Alps, Italy). In: Martins T., Vieira R. (eds.), Granitic pegmatites: the state of the art – International Symposium, 06th – 12th May 2007, Porto, Portugal. Book of abstracts, 8, 102-103.
Vignola P., Fransolet A.-M., Diella V., Ferrari E.S. (2010): Alteration process of a graftonite + sarcopside + triphylite primary phosphate association from Luna pegmatitic dike, Lecco province, Italy. 20th General Meeting of the International mineralogical Association, 21-27 August 2010, Budapest, Hungary. Acta Mineral. Petrogr., Abstract Series, 6, 610.
Vignola P., Fransolet A.-M., Guastoni A., Appiani R. (2011): Le pegmatiti di Piona: recenti studi sui filoni Malpensata, Luna e Sommafiume. Riv. Mineral. Ital., 35, 1, 30-38.
Vignola, P., Diella, V., Ferrari, E.S. & Fransolet, A.-M. (2011): Complex mechanisms of alteration in a graftonite + sacropside+ triphylite association from the Luna pegmatite, Piona, Lecco Province, Italy. Canadian Mineralogist. 49, 765-776.
Vignola, P., Hatert, F., Baijot, M., Dal Bo, F., Andò, S., Bersani, D., Pavese, A., Risplendente, A., Vanini, F. (2016): Arrojadite-(BaNa), BaNa3(Na,Ca)Fe^2+13Al(PO4)11(PO3OH)(OH)2, A New Phosphate Mineral From the Luna Albite Pegmatite, Dorio Commune, Lecco Province, Italy. Canadian Mineralogist: 54: 1021-1032.

Other Regions, Features and Areas containg this locality

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