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Chapadão mine, Juína, Mato Grosso, Brazili
Regional Level Types
Chapadão mineMine (Inactive)
JuínaMunicipality
Mato GrossoState
BrazilCountry

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Latitude & Longitude (WGS84):
11° 26' 52'' South , 58° 56' 12'' West
Latitude & Longitude (decimal):
-11.44778,-58.93667
GRN:
S08W41
Type:
Mine (Inactive) - last checked 2025
Köppen climate type:
Aw : Tropical savanna, wet
Mindat Locality ID:
458896
Long-form identifier:
mindat:1:2:458896:5
GUID (UUID V4):
0
Other/historical names associated with this locality:
Chapadão plateau, Pandrea


Diamonds.

Sample RV43 was donated by Romeu Veronese (R.V.), who is the owner of the property where industrial diamonds are prospected from a strongly weathered kimberlite (primary source). The Chapadão kimberlite cluster, within the Juína Field, is composed of crater-facies kimberlites containing ash-fall and/or tuffisitic material, which are covered by Upper Cretaceous and Tertiary sediments. The diamond samples are preferentially concentrated in white layers that represent weathered pyroclastic fragments.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


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

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Calcite
Formula: CaCO3
ⓘ Diamond
Formula: C
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Grahampearsonite (TL)
Formula: Ca2P2O7
Type Locality:
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Ilmenite var. Picroilmenite
Formula: (Fe2+,Mg)TiO3
ⓘ Larnite
Formula: Ca2SiO4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Merrillite
Formula: Ca9NaMg(PO4)7
ⓘ Spinel
Formula: MgAl2O4
ⓘ Tuite
Formula: Ca3(PO4)2
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘDiamond1.CB.10aC
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘvar. Picroilmenite4.CB.05(Fe2+,Mg)TiO3
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMerrillite8.AC.45Ca9NaMg(PO4)7
ⓘTuite8.AC.45Ca3(PO4)2
ⓘGrahampearsonite (TL)8.FA.Ca2P2O7
Group 9 - Silicates
ⓘLarnite9.AD.05Ca2SiO4
ⓘZircon9.AD.30Zr(SiO4)
ⓘDiopside9.DA.15CaMgSi2O6
Unclassified
ⓘ'Apatite'-Ca5(PO4)3A

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
Cⓘ DiamondC
OOxygen
Oⓘ CalciteCaCO3
Oⓘ DiopsideCaMgSi2O6
Oⓘ IlmeniteFe2+TiO3
Oⓘ LarniteCa2SiO4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ SpinelMgAl2O4
Oⓘ ZirconZr(SiO4)
Oⓘ MerrilliteCa9NaMg(PO4)7
Oⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3
Oⓘ TuiteCa3(PO4)2
Oⓘ ApatiteCa5(PO4)3A
Oⓘ GrahampearsoniteCa2P2O7
NaSodium
Naⓘ MerrilliteCa9NaMg(PO4)7
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ SpinelMgAl2O4
Mgⓘ MerrilliteCa9NaMg(PO4)7
Mgⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3
AlAluminium
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ DiopsideCaMgSi2O6
Siⓘ LarniteCa2SiO4
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ MerrilliteCa9NaMg(PO4)7
Pⓘ TuiteCa3(PO4)2
Pⓘ ApatiteCa5(PO4)3A
Pⓘ GrahampearsoniteCa2P2O7
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ LarniteCa2SiO4
Caⓘ MerrilliteCa9NaMg(PO4)7
Caⓘ TuiteCa3(PO4)2
Caⓘ ApatiteCa5(PO4)3A
Caⓘ GrahampearsoniteCa2P2O7
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3
FeIron
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Ilmenite var. Picroilmenite(Fe2+,Mg)TiO3
ZrZirconium
Zrⓘ ZirconZr(SiO4)

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

Wang, Y., Nestola, F., Day, M.C., Jalowitzki, T., Novais-Rodrigues, E., Gervasoni, F., Grings Cedeño, D., William da Silva, S., Fuck, R.A., Nava, J., Santello, L., Pamato, M.G., Novella, D., Innocenzi, F., Curtolo, A., La Fortezza, M. and Qu, K. (2025) Grahampearsonite, IMA 2025-017. CNMNC Newsletter 86, Mineralogical Magazine, 89
[1]Wang, Yanjuan; Nestola, Fabrizio; Day, Maxwell C.; Jalowitzki, Tiago; Novais Rodrigues, Eduardo; Gervasoni, Fernanda; Cedeño, Daniel Grings; da Silva, Sebastião William; Fuck, Reinhardt Adolfo; Nava, Jacopo; et al. (2026) Grahampearsonite, Ca2P2O7, a new mineral found in a super-deep diamond from Juína, Brazil. American Mineralogist, 111 (6). p.903-911. doi:10.2138/am-2025-10072
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