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São Luis river alluvials, Juína, Mato Grosso, Brazil i
Regional Level Types
São Luis river alluvials Alluvials
Juína Municipality
Mato Grosso State
Brazil Country

Regional Level Types
São Luis river alluvials	Alluvials
Juína	Municipality
Mato Grosso	State
Brazil	Country

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Aerial view of the mining operation

São Luis river alluvials, Juína, Mato Grosso, Brazil

Main gate of the São Luis property

São Luis river alluvials, Juína, Mato Grosso, Brazil

Aerial view of the mining operation

São Luis river alluvials, Juína, Mato Grosso, Brazil

Main gate of the São Luis property

São Luis river alluvials, Juína, Mato Grosso, Brazil

Aerial view of the mining operation

São Luis river alluvials, Juína, Mato Grosso, Brazil

Main gate of the São Luis property

São Luis river alluvials, Juína, Mato Grosso, Brazil

Latitude & Longitude (WGS84):

11° 29' 35'' South , 58° 58' 14'' West

Latitude & Longitude (decimal):

Type:

Köppen climate type:

Aw : Tropical savanna, wet

Mindat Locality ID:

255619

Long-form identifier:

mindat:1:2:255619:5

GUID (UUID V4):

Other/historical names associated with this locality:

São Luiz river

Alluvial diamonds

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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

ⓘ Diamond

Mineral List

13 valid minerals. 3 (TL) - type locality of valid minerals.

Detailed Mineral List:

ⓘ Breyite (TL)

Formula: Ca₃Si₃O₉

Type Locality:

Description: May be walstromite or perovskite.

References:

Zedgenizov, D. A., Shatskiy, A., Ragozin, A. L., Kagi, H., Shatsky, V. S. (2014) Merwinite in diamond from São Luiz, Brazil: A new mineral of the Ca-rich mantle environment. American Mineralogist, 99 (2-3). 547-550 doi:10.2138/am.2014.4767

Brenker, Frank E., Nestola, Fabrizio, Brenker, Lion, Peruzzo, Luca, Harris, Jeffrey W. (2021) Origin, properties, and structure of breyite: The second most abundant mineral inclusion in super-deep diamonds. American Mineralogist, 106 (1). 38-43 doi:10.2138/am-2020-7513

ⓘ Calcite

Formula: CaCO₃

References:

ⓘ Coesite

Formula: SiO₂

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

ⓘ Corundum

Formula: Al₂O₃

References:

Watt, G. R., Harris, J. W., Harte, B., & Boyd, S. R. (1994). A high-chromium corundum (ruby) inclusion in diamond from the Sao Luiz alluvial mine, Brazil. Mineralogical Magazine, 58(392), 490-493.

ⓘ Corundum var. Ruby

Formula: Al₂O₃

References:

ⓘ Deltanitrogen (TL)

Formula: N

Type Locality:

References:

Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 69. European Journal of Mineralogy, 34 (5) 463-468 doi:10.5194/ejm-34-463-2022

ⓘ Diamond

Formula: C

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

ⓘ Forsterite

Formula: Mg₂(SiO₄)

References:

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

ⓘ Jeffbenite (TL)

Formula: Mg₃Al₂Si₃O₁₂

Type Locality:

References:

Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter No 24. Mineralogical Magazine, 79 (2) 247-251 doi:10.1180/minmag.2015.079.2.03

Nestola, F., Burnham, A.D., Peruzzo, L., Tauro, L., Alvaro, M., Walter, M.J., Gunter, M., Kohn, S.C. (2016): Tetragonal Almandine-Pyrope Phase, TAPP: finally a name for it, the new mineral jeffbenite. Mineralogical Magazine, 80, 1219-1232

ⓘ Magnesite

Formula: MgCO₃

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

ⓘ Majorite ?

Formula: Mg₃(MgSi)(SiO₄)₃

Description: Both Ragozin et al.(2020) and Nestola et al.(2016) mention "majoritic garnets" as inclusions in diamonds. Neither of them provide any analytical data, and the term "majoritic garnet" may well represent pyropes with a small majoritic component.

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

ⓘ Merwinite

Formula: Ca₃Mg(SiO₄)₂

References:

ⓘ Periclase

Formula: MgO

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

ⓘ Periclase var. Ferropericlase

Formula: (Mg,Fe)O

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

ⓘ Perovskite

Formula: CaTiO₃

References:

Ragozin, A.

Zedgenizov, D.

Shatsky, V.

Kuper, K.

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Deltanitrogen (TL)	1.C0.	N
ⓘ	Diamond	1.CB.10a	C
Group 4 - Oxides and Hydroxides
ⓘ	Periclase	4.AB.25	MgO
ⓘ	var. Ferropericlase	4.AB.25	(Mg,Fe)O
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	var. Ruby	4.CB.05	Al₂O₃
ⓘ	Perovskite	4.CC.30	CaTiO₃
ⓘ	Coesite	4.DA.35	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Magnesite	5.AB.05	MgCO₃
Group 9 - Silicates
ⓘ	Forsterite	9.AC.05	Mg₂(SiO₄)
ⓘ	Merwinite	9.AD.15	Ca₃Mg(SiO₄)₂
ⓘ	Majorite ?	9.AD.25	Mg₃(MgSi)(SiO₄)₃
ⓘ	Jeffbenite (TL)	9.AD.55	Mg₃Al₂Si₃O₁₂
ⓘ	Breyite (TL)	9.CA.25	Ca₃Si₃O₉
Unclassified
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃

List of minerals for each chemical element

C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Diamond	C
C	ⓘ Magnesite	MgCO₃
N	Nitrogen
N	ⓘ Deltanitrogen	N
O	Oxygen
O	ⓘ Calcite	CaCO₃
O	ⓘ Coesite	SiO₂
O	ⓘ Corundum	Al₂O₃
O	ⓘ Forsterite	Mg₂(SiO₄)
O	ⓘ Magnesite	MgCO₃
O	ⓘ Majorite	Mg₃(MgSi)(SiO₄)₃
O	ⓘ Merwinite	Ca₃Mg(SiO₄)₂
O	ⓘ Periclase	MgO
O	ⓘ Perovskite	CaTiO₃
O	ⓘ Corundum var. Ruby	Al₂O₃
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Periclase var. Ferropericlase	(Mg,Fe)O
O	ⓘ Jeffbenite	Mg₃Al₂Si₃O₁₂
O	ⓘ Breyite	Ca₃Si₃O₉
Mg	Magnesium
Mg	ⓘ Forsterite	Mg₂(SiO₄)
Mg	ⓘ Magnesite	MgCO₃
Mg	ⓘ Majorite	Mg₃(MgSi)(SiO₄)₃
Mg	ⓘ Merwinite	Ca₃Mg(SiO₄)₂
Mg	ⓘ Periclase	MgO
Mg	ⓘ Periclase var. Ferropericlase	(Mg,Fe)O
Mg	ⓘ Jeffbenite	Mg₃Al₂Si₃O₁₂
Al	Aluminium
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Corundum var. Ruby	Al₂O₃
Al	ⓘ Jeffbenite	Mg₃Al₂Si₃O₁₂
Si	Silicon
Si	ⓘ Coesite	SiO₂
Si	ⓘ Forsterite	Mg₂(SiO₄)
Si	ⓘ Majorite	Mg₃(MgSi)(SiO₄)₃
Si	ⓘ Merwinite	Ca₃Mg(SiO₄)₂
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Jeffbenite	Mg₃Al₂Si₃O₁₂
Si	ⓘ Breyite	Ca₃Si₃O₉
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Merwinite	Ca₃Mg(SiO₄)₂
Ca	ⓘ Perovskite	CaTiO₃
Ca	ⓘ Breyite	Ca₃Si₃O₉
Ti	Titanium
Ti	ⓘ Perovskite	CaTiO₃
Fe	Iron
Fe	ⓘ Periclase var. Ferropericlase	(Mg,Fe)O

Other Regions, Features and Areas containing this locality

Brazil

Mato Grosso
- Juína
  - Juína kimberlite fieldPipe

South AmericaContinent

South America PlateTectonic Plate

Amazonian CratonCraton
Parecis basinBasin
Rio Negro-JuruenaOrogenic Belt

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

Ragozin, Alexey, Zedgenizov, Dmitry, Shatsky, Vladislav, Kuper, Konstantin, Kagi, Hiroyuki (2019) Deformation Features of Super-Deep Diamonds. Minerals, 10 (1) 18 doi:10.3390/min10010018

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Select Mineral List Type

Commodity List

Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

São Luis river alluvials, Juína, Mato Grosso, Brazil i
Regional Level Types
São Luis river alluvials Alluvials
Juína Municipality
Mato Grosso State
Brazil Country