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Lake Kumdikol diamond deposit, Lake Kumdikol (Lake Kumdykol'; Ozero Kumdykol'), Prirechnoye, Zerendi District, Akmola Region, Kazakhstani
Regional Level Types
Lake Kumdikol diamond depositDeposit
Lake Kumdikol (Lake Kumdykol'; Ozero Kumdykol')Lake
Prirechnoye- not defined -
Zerendi DistrictDistrict
Akmola RegionRegion
KazakhstanCountry

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PhotosMapsSearch
Type:
Mindat Locality ID:
10155
Long-form identifier:
mindat:1:2:10155:1
GUID (UUID V4):
56606db5-ab1c-4b6a-9547-2b2e427ce9ae
Name(s) in local language(s):
(Kumdy-Kol)


Located on the southwestern shore of Lake Kumdikol, 30 km southwest of the town Kokshetau. The compositions of rocks is (from the bottom upwards): garnet plagiogneisses, garnet-biotite gneisses, plagiomagmatites, garnet-muscovite shales; garnet-muscovite leucocratic granites and gneiss-granites; garnet-biotite and biotite gneisses, quartz microgneisses with interlayers of calciphyries, boudinages of eclogites, and bodies of garnet-pyroxene rocks; garnet migmatites and plagiogneisses; garnet-muscovite, muscovite-biotite and muscovite shales; eclogites and amphibole eclogites.The thickness of the rocks is around 1000m.

There is a discrete zone containing most of the diamonds and beyond it the content drops. The orebody occurs as a flattened, lens-shaped body that extends southwesterly. Diamonds' distribution is uneven. High grades are confined to graphite quartz-sericite-chlorite, quartz-pyroxene, pyroxene-carbonate and other metasomatites. Areas with high concentration of diamonds are separated by low diamond content or without diamonds.
Most of the diamonds are associated with garnet; a little amount is found in biotite; rare crystals are present in pyroxene, amphibole, quartz, ziosite and muscovite. Diamonds often occur at the contacts between different minerals.

Kamdykol diamonds are small and have different morphological properties and mostly contain cubic crystals.85 per cent of the diamonds have a size of less than 50Β΅m. Large crystals have been found: 0.5-1.65 mm crystals in eclogites; octahedra over 1.00mm in garnet-pyroxene rock; 2.95 mm crystals were found in sands from Kumdykol lake.

The cubic crystals have yellow-green colour; octahedral crystals are water transparent; spheroids are pale yellow. Some crystals display weak luminescence. Kumdykol diamonds contain sodium, aluminium, antimony, arsenic, gold, potassium, chromium, manganese, rare earth minerals.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


31 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

β“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Andalusite
Formula: Al2(SiO4)O
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ Aragonite
Formula: CaCO3
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Calcite
Formula: CaCO3
β“˜ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Description: Replaces majoritic garnet during exhumation. In dolomite marbles.
β“˜ Clinohumite
Formula: Mg9(SiO4)4F2
Description: In diamond-free dolomitic marble.
β“˜ 'Clinopyroxene Subgroup'
β“˜ Coesite
Formula: SiO2
β“˜ Diamond
Formula: C
β“˜ Diopside
Formula: CaMgSi2O6
β“˜ Dolomite
Formula: CaMg(CO3)2
Description: Dolomite --> Aragonite + magnesite. In dolomitic marbles.
β“˜ Forsterite
Formula: Mg2SiO4
Description: In diamond-free dolomitic marble. American Geophysical Union, Fall Meeting 2004, abstract #T21A-0501 Publication Date: 12/2004
β“˜ Graphite
Formula: C
Description: Decomposition of magnesite during exhumation. In dolomite marbles.
β“˜ Hydroxylclinohumite var. Titanclinohumite
Formula: (Mg,Ti)9(SiO4)4(OH,F)2
Description: In diamond-free dolomitic marble.
β“˜ 'K Feldspar'
β“˜ Kokchetavite (TL)
Formula: K(AlSi3O8)
Type Locality:
β“˜ Kumdykolite (TL)
Formula: Na(AlSi3O8)
Type Locality:
β“˜ Kyanite
Formula: Al2(SiO4)O
β“˜ Lonsdaleite
Formula: C
β“˜ Magnesite
Formula: MgCO3
Description: Inclusions in majoritic garnet. In dolomite marbles.
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
β“˜ Majorite
Formula: Mg3(MgSi)(SiO4)3
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Muscovite var. Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
β“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Description: Exsolutions in supersiliceous clinopyroxene.
β“˜ Pyrope
Formula: Mg3Al2(SiO4)3
Description: In dolomite marbles.
β“˜ Quartz
Formula: SiO2
Description: Exsolutions in supersiliceous clinopyroxene.
β“˜ Rutile
Formula: TiO2
β“˜ Sillimanite
Formula: Al2(SiO4)O
β“˜ Spinel
Formula: MgAl2O4
Description: In symplectites with diopside and magnesian calcite, in dolomite marble.
β“˜ Titanite
Formula: CaTi(SiO4)O
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
β“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Description: In diopside of dolomitic marbles.
References:
β“˜ Zircon
Formula: Zr(SiO4)
Description: In dolomite marbles.
β“˜ Zoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Graphite1.CB.05aC
β“˜Diamond1.CB.10aC
β“˜Lonsdaleite1.CB.10bC
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Spinel4.BB.05MgAl2O4
β“˜Magnetite
var. Titanium-bearing Magnetite
4.BB.05Fe2+(Fe3+,Ti)2O4
β“˜Quartz4.DA.05SiO2
β“˜Coesite4.DA.35SiO2
β“˜Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Magnesite5.AB.05MgCO3
β“˜Dolomite5.AB.10CaMg(CO3)2
β“˜Aragonite5.AB.15CaCO3
Group 9 - Silicates
β“˜Forsterite9.AC.05Mg2SiO4
β“˜Pyrope9.AD.25Mg3Al2(SiO4)3
β“˜Majorite9.AD.25Mg3(MgSi)(SiO4)3
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Sillimanite9.AF.05Al2(SiO4)O
β“˜Andalusite9.AF.10Al2(SiO4)O
β“˜Kyanite9.AF.15Al2(SiO4)O
β“˜Clinohumite9.AF.55Mg9(SiO4)4F2
β“˜Hydroxylclinohumite
var. Titanclinohumite
9.AF.55(Mg,Ti)9(SiO4)4(OH,F)2
β“˜Titanite9.AG.15CaTi(SiO4)O
β“˜Zoisite9.BG.10(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
β“˜Diopside9.DA.15CaMgSi2O6
β“˜Tremolite9.DE.10β—»Ca2Mg5(Si8O22)(OH)2
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Muscovite
var. Sericite
9.EC.15KAl2(AlSi3O10)(OH)2
β“˜var. Phengite9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
β“˜9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
β“˜Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜Kumdykolite (TL)9.FA.45Na(AlSi3O8)
β“˜Kokchetavite (TL)9.FA.75K(AlSi3O8)
Unclassified
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Clinopyroxene Subgroup'-
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'K Feldspar'-
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Hβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Hβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Hβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cβ“˜ AragoniteCaCO3
Cβ“˜ CalciteCaCO3
Cβ“˜ DiamondC
Cβ“˜ DolomiteCaMg(CO3)2
Cβ“˜ GraphiteC
Cβ“˜ LonsdaleiteC
Cβ“˜ MagnesiteMgCO3
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ AndalusiteAl2(SiO4)O
Oβ“˜ AragoniteCaCO3
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CalciteCaCO3
Oβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Oβ“˜ ClinohumiteMg9(SiO4)4F2
Oβ“˜ CoesiteSiO2
Oβ“˜ DiopsideCaMgSi2O6
Oβ“˜ DolomiteCaMg(CO3)2
Oβ“˜ ForsteriteMg2SiO4
Oβ“˜ KyaniteAl2(SiO4)O
Oβ“˜ MagnesiteMgCO3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MajoriteMg3(MgSi)(SiO4)3
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Oβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Oβ“˜ PyropeMg3Al2(SiO4)3
Oβ“˜ QuartzSiO2
Oβ“˜ RutileTiO2
Oβ“˜ SillimaniteAl2(SiO4)O
Oβ“˜ SpinelMgAl2O4
Oβ“˜ TitaniteCaTi(SiO4)O
Oβ“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Oβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oβ“˜ KokchetaviteK(AlSi3O8)
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Oβ“˜ KumdykoliteNa(AlSi3O8)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ ClinohumiteMg9(SiO4)4F2
Fβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ KumdykoliteNa(AlSi3O8)
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgβ“˜ ClinohumiteMg9(SiO4)4F2
Mgβ“˜ DiopsideCaMgSi2O6
Mgβ“˜ DolomiteCaMg(CO3)2
Mgβ“˜ ForsteriteMg2SiO4
Mgβ“˜ MagnesiteMgCO3
Mgβ“˜ MajoriteMg3(MgSi)(SiO4)3
Mgβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mgβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgβ“˜ PyropeMg3Al2(SiO4)3
Mgβ“˜ SpinelMgAl2O4
Mgβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ AndalusiteAl2(SiO4)O
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Alβ“˜ KyaniteAl2(SiO4)O
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Alβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Alβ“˜ PyropeMg3Al2(SiO4)3
Alβ“˜ SillimaniteAl2(SiO4)O
Alβ“˜ SpinelMgAl2O4
Alβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alβ“˜ KokchetaviteK(AlSi3O8)
Alβ“˜ KumdykoliteNa(AlSi3O8)
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ AndalusiteAl2(SiO4)O
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ ClinochloreMg5Al(AlSi3O10)(OH)8
Siβ“˜ ClinohumiteMg9(SiO4)4F2
Siβ“˜ CoesiteSiO2
Siβ“˜ DiopsideCaMgSi2O6
Siβ“˜ ForsteriteMg2SiO4
Siβ“˜ KyaniteAl2(SiO4)O
Siβ“˜ MajoriteMg3(MgSi)(SiO4)3
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Siβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Siβ“˜ PyropeMg3Al2(SiO4)3
Siβ“˜ QuartzSiO2
Siβ“˜ SillimaniteAl2(SiO4)O
Siβ“˜ TitaniteCaTi(SiO4)O
Siβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Siβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siβ“˜ KokchetaviteK(AlSi3O8)
Siβ“˜ KumdykoliteNa(AlSi3O8)
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Kβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Kβ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Kβ“˜ KokchetaviteK(AlSi3O8)
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ AragoniteCaCO3
Caβ“˜ CalciteCaCO3
Caβ“˜ DiopsideCaMgSi2O6
Caβ“˜ DolomiteCaMg(CO3)2
Caβ“˜ TitaniteCaTi(SiO4)O
Caβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caβ“˜ Zoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ RutileTiO2
Tiβ“˜ TitaniteCaTi(SiO4)O
Tiβ“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiβ“˜ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Feβ“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian 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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