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Ilha claim, Taquaral, Itinga, Minas Gerais, Brazili
Regional Level Types
Ilha claimClaim (Inactive)
TaquaralTown
ItingaMunicipality
Minas GeraisState
BrazilCountry

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PhotosMapsSearch
08499960014947029835562.jpg
1987: Work on the old famous Lavra da Ilha

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
08233920014948376359462.jpg
1987: Lavra da Ilha: Hard work for top specimens

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
05102640014948376368966.jpg
1987: Claim on the island in the Jequitinonha river

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
08499960014947029835562.jpg
1987: Work on the old famous Lavra da Ilha

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
08233920014948376359462.jpg
1987: Lavra da Ilha: Hard work for top specimens

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
05102640014948376368966.jpg
1987: Claim on the island in the Jequitinonha river

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
08499960014947029835562.jpg
1987: Work on the old famous Lavra da Ilha

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
09281890014948376362485.jpg
1987: Lavra da Ilha: Hard work for top specimens

Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
Latitude & Longitude (WGS84):
16° 38' 42'' South , 41° 51' 49'' West
Latitude & Longitude (decimal):
Type:
Claim (Inactive) - last checked 2024
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Itinga4,915 (2012)11.1km
Araçuaí22,005 (2012)31.6km
Padre Paraíso10,608 (2012)62.5km
Medina14,686 (2012)62.5km
Salinas25,746 (2012)69.7km
Mindat Locality ID:
404
Long-form identifier:
mindat:1:2:404:5
GUID (UUID V4):
bef8d1c6-acd8-4327-a823-0bbe1fc36a5a
Name(s) in local language(s):
Lavra da Ilha


Granite pegmatite located on a small island in the Jequitinhonha River, 3 km north of Taquaral.

Cassedanne & Philippo (2015):

This deposit, discovered in 1969 (Lúcio, 1970) occurs on an island 500 meters long in the middle of the Rio Jequitinhonha. Coordinates: x = 194.5 y = 8157.5 Itaobim map. It corresponds to a zoned pegmatite, in part covered by the alluvium, in a N 40° East direction, subvertical, perhaps 300 meters long (some outcrops lost in the sand probably marked it out) and encased in quartzose mica schists. It was worked by an excavation of about 70 x 10 meters, more than 15 deep and filled up with the sands of each annual rise, before it was surrendered about thirty years ago. A small production was previously obtained during the low water levels, after clearing out the sand which filled the excavation. The core of quartz is surrounded by two feldspathic zones in medium grain with albitic substitution bodies, geodes-rich. With the rose quartz there was noticed : muscovite in diamond-shaped pale yellow green crystals, sphalerite in grey tetrahedron flattened dendrites, niobo-tantalite, cassiterite, and stony beryl with numerous phosphates; often gem amblygonite, eosphorite, zanazziite, rockbridgeite, montgomeryite, wardite, whiteite, collinsite, apatite and vivianite deriving from the triphylite weathering and supplying numerous specimens for collections. The rose quartz which belongs to a late stage of the pegmatite development varies from a nearly purple pink to pale-pink-white, being transparent, translucent, or opaque. The individual crystal size varies from some millimeters to 2 centimeters with one or two complete terminations. The specimens are in irregular crust on the matrix, generally quartz, in striped or parallel aggregates, or form a crown of doubly-terminated individuals surrounding quartz crystals which diameter can be up to one decimeter. Some hyalite fluorescent opal, pyrite, a dust of quartz or of iron and / or manganese oxides covers some samples. The omnipresence of eosphorite crystals, often associated with some zanazziite, wardite or apatite, allows the easy determination of the specimens' origin (Cassedanne and Cassedanne, 1973).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


22 valid minerals. 3 (TL) - type locality of valid minerals. 2 erroneous literature entries.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Amblygonite
Formula: LiAl(PO4)F
Description: Using the method of Cerny and Cerna (revised), the method shows that late stage pocket crystals of this series are nearly end-member montebrasite. Mineral dealers continue to label and sell amblygonite, but they do not have it.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Beryllonite
Formula: NaBePO4
Childrenite
Formula: Fe2+Al(PO4)(OH)2 · H2O
Description: Has been found only as a microscopic zone within an eosphorite crystal cluster.
Collinsite
Formula: Ca2Mg(PO4)2 · 2H2O
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Eosphorite
Formula: Mn2+Al(PO4)(OH)2 · H2O
Fluorapatite
Formula: Ca5(PO4)3F
Footemineite
Formula: Ca2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4 · 6H2O
'Indicolite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Description: Small acicular inclusions
Laueite
Formula: Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
'Lepidolite'
Microcline
Formula: K(AlSi3O8)
Montebrasite
Formula: LiAl(PO4)(OH)
Montgomeryite
Formula: Ca4MgAl4(PO4)6(OH)4 · 12H2O
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Quartz var. Rose Quartz
Formula: SiO2
Rockbridgeite
Formula: Fe2+Fe3+4(PO4)3(OH)5
Roscherite
Formula: Ca2Mn2+5Be4(PO4)6(OH)4 · 6H2O
Description: When you actually read this reference, you see that roscherite was definitely NOT reported.
Sphalerite
Formula: ZnS
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Description: "Black-looking" crystals with rose quartz crystals.
Vivianite
Formula: Fe2+Fe2+2(PO4)2 · 8H2O
Wardite
Formula: NaAl3(PO4)2(OH)4 · 2H2O
Whiteite-(CaFeMg) (TL)
Formula: {Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Type Locality:
Whiteite-(MnFeMg) (TL)
Formula: {(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Type Locality:
Zanazziite (TL)
Formula: Ca2Mg5Be4(PO4)6(OH)4 · 6H2O
Type Locality:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var. Rose Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Beryllonite8.AA.10NaBePO4
Montebrasite8.BB.05LiAl(PO4)(OH)
Amblygonite ?8.BB.05LiAl(PO4)F
Rockbridgeite8.BC.10Fe2+Fe3+4(PO4)3(OH)5
Fluorapatite8.BN.05Ca5(PO4)3F
Vivianite8.CE.40Fe2+Fe2+2(PO4)2 · 8H2O
Collinsite8.CG.05Ca2Mg(PO4)2 · 2H2O
Roscherite ?8.DA.10Ca2Mn2+5Be4(PO4)6(OH)4 · 6H2O
Footemineite8.DA.10Ca2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4 · 6H2O
Zanazziite (TL)8.DA.10Ca2Mg5Be4(PO4)6(OH)4 · 6H2O
Laueite8.DC.30Mn2+Fe3+2(PO4)2(OH)2 · 8H2O
Eosphorite8.DD.20Mn2+Al(PO4)(OH)2 · H2O
Childrenite8.DD.20Fe2+Al(PO4)(OH)2 · H2O
Whiteite-(CaFeMg) (TL)8.DH.15{Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Whiteite-(MnFeMg) (TL)8.DH.15{(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Montgomeryite8.DH.25Ca4MgAl4(PO4)6(OH)4 · 12H2O
Wardite8.DL.10NaAl3(PO4)2(OH)4 · 2H2O
Group 9 - Silicates
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Lepidolite'-
'Indicolite'-A(D3)G6(T6O18)(BO3)3X3Z
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
H ChildreniteFe2+Al(PO4)(OH)2 · H2O
H CollinsiteCa2Mg(PO4)2 · 2H2O
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H EosphoriteMn2+Al(PO4)(OH)2 · H2O
H LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
H MontebrasiteLiAl(PO4)(OH)
H MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H RockbridgeiteFe2+Fe43+(PO4)3(OH)5
H RoscheriteCa2Mn52+Be4(PO4)6(OH)4 · 6H2O
H VivianiteFe2+Fe22+(PO4)2 · 8H2O
H WarditeNaAl3(PO4)2(OH)4 · 2H2O
H Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
H Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
H ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
H ApatiteCa5(PO4)3(Cl/F/OH)
H FootemineiteCa2Mn2+Mn22+Mn22+Be4(PO4)6(OH)4 · 6H2O
LiLithium
Li AmblygoniteLiAl(PO4)F
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li MontebrasiteLiAl(PO4)(OH)
BeBeryllium
Be BerylloniteNaBePO4
Be RoscheriteCa2Mn52+Be4(PO4)6(OH)4 · 6H2O
Be ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
Be FootemineiteCa2Mn2+Mn22+Mn22+Be4(PO4)6(OH)4 · 6H2O
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O AmblygoniteLiAl(PO4)F
O BerylloniteNaBePO4
O ChildreniteFe2+Al(PO4)(OH)2 · H2O
O CollinsiteCa2Mg(PO4)2 · 2H2O
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O EosphoriteMn2+Al(PO4)(OH)2 · H2O
O FluorapatiteCa5(PO4)3F
O IndicoliteA(D3)G6(T6O18)(BO3)3X3Z
O LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
O MicroclineK(AlSi3O8)
O MontebrasiteLiAl(PO4)(OH)
O MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O RockbridgeiteFe2+Fe43+(PO4)3(OH)5
O RoscheriteCa2Mn52+Be4(PO4)6(OH)4 · 6H2O
O Quartz var. Rose QuartzSiO2
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O VivianiteFe2+Fe22+(PO4)2 · 8H2O
O WarditeNaAl3(PO4)2(OH)4 · 2H2O
O Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
O Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
O ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
O ApatiteCa5(PO4)3(Cl/F/OH)
O FootemineiteCa2Mn2+Mn22+Mn22+Be4(PO4)6(OH)4 · 6H2O
FFluorine
F AmblygoniteLiAl(PO4)F
F FluorapatiteCa5(PO4)3F
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AlbiteNa(AlSi3O8)
Na BerylloniteNaBePO4
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na WarditeNaAl3(PO4)2(OH)4 · 2H2O
MgMagnesium
Mg CollinsiteCa2Mg(PO4)2 · 2H2O
Mg MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
Mg Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Mg Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Mg ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AmblygoniteLiAl(PO4)F
Al ChildreniteFe2+Al(PO4)(OH)2 · H2O
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al EosphoriteMn2+Al(PO4)(OH)2 · H2O
Al MicroclineK(AlSi3O8)
Al MontebrasiteLiAl(PO4)(OH)
Al MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al WarditeNaAl3(PO4)2(OH)4 · 2H2O
Al Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Al Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Quartz var. Rose QuartzSiO2
PPhosphorus
P AmblygoniteLiAl(PO4)F
P BerylloniteNaBePO4
P ChildreniteFe2+Al(PO4)(OH)2 · H2O
P CollinsiteCa2Mg(PO4)2 · 2H2O
P EosphoriteMn2+Al(PO4)(OH)2 · H2O
P FluorapatiteCa5(PO4)3F
P LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
P MontebrasiteLiAl(PO4)(OH)
P MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
P RockbridgeiteFe2+Fe43+(PO4)3(OH)5
P RoscheriteCa2Mn52+Be4(PO4)6(OH)4 · 6H2O
P VivianiteFe2+Fe22+(PO4)2 · 8H2O
P WarditeNaAl3(PO4)2(OH)4 · 2H2O
P Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
P Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
P ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
P ApatiteCa5(PO4)3(Cl/F/OH)
P FootemineiteCa2Mn2+Mn22+Mn22+Be4(PO4)6(OH)4 · 6H2O
SSulfur
S PyriteFeS2
S SphaleriteZnS
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CollinsiteCa2Mg(PO4)2 · 2H2O
Ca FluorapatiteCa5(PO4)3F
Ca MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
Ca RoscheriteCa2Mn52+Be4(PO4)6(OH)4 · 6H2O
Ca Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Ca Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Ca ZanazziiteCa2Mg5Be4(PO4)6(OH)4 · 6H2O
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca FootemineiteCa2Mn2+Mn22+Mn22+Be4(PO4)6(OH)4 · 6H2O
MnManganese
Mn EosphoriteMn2+Al(PO4)(OH)2 · H2O
Mn LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Mn RoscheriteCa2Mn52+Be4(PO4)6(OH)4 · 6H2O
Mn Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Mn Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Mn FootemineiteCa2Mn2+Mn22+Mn22+Be4(PO4)6(OH)4 · 6H2O
FeIron
Fe ChildreniteFe2+Al(PO4)(OH)2 · H2O
Fe LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
Fe PyriteFeS2
Fe RockbridgeiteFe2+Fe43+(PO4)3(OH)5
Fe VivianiteFe2+Fe22+(PO4)2 · 8H2O
Fe Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
Fe Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O
ZnZinc
Zn SphaleriteZnS

Other Regions, Features and Areas containing this locality

South AmericaContinent
South America PlateTectonic Plate

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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