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Hafafit Vermiculite deposit, Hafafit, Eastern Desert, Red Sea, Egypti
Regional Level Types
Hafafit Vermiculite depositDeposit
Hafafit- not defined -
Eastern DesertDesert
Red SeaGovernorate
EgyptCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 24° North , 34° East (est.)
Margin of Error:~1km
Locality type:Deposit
Köppen climate type:BWh : Hot deserts climate


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Regions containing this locality

African PlateTectonic Plate
Sahara Desert, North AfricaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
Anthophyllite
Formula: ☐{Mg2}{Mg5}(Si8O22)(OH)2
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
'Asbestos'
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
'Biotite'
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
'Chlorite Group'
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
Corrensite
Formula: (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
Hydrobiotite
Formula: K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
'Hydrophlogopite'
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: Harraz, H. Z.; Hamdy, M. M. 2010. Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, Volume 58, Issue 2, p. 305-320.

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Anthophyllite9.DD.05☐{Mg2}{Mg5}(Si8O22)(OH)2
Corrensite9.EC.60(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Hydrobiotite9.EC.60K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Unclassified Minerals, Rocks, etc.
'Asbestos'-
'Biotite'-
'Chlorite Group'-
'Hydrophlogopite'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Anthophyllite66.1.2.1☐{Mg2}{Mg5}(Si8O22)(OH)2
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Hydrobiotite71.2.2d.1K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Corrensite71.4.2.5(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Asbestos'-
'Biotite'-
'Chlorite Group'-
'Hydrophlogopite'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H PhlogopiteKMg3(AlSi3O10)(OH)2
H TalcMg3Si4O10(OH)2
H HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
H Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
OOxygen
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O PhlogopiteKMg3(AlSi3O10)(OH)2
O TalcMg3Si4O10(OH)2
O HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
O Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
NaSodium
Na Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
MgMagnesium
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Mg Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Al Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
SiSilicon
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si TalcMg3Si4O10(OH)2
Si HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Si Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
K HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
K Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
CaCalcium
Ca Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
FeIron
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Fe HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O
Fe Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Harraz, H.Z. and Hamdy, M.M. (2010) Interstratified vermiculite-mica in the gneiss-metapelite-serpentinite rocks at Hafafit area, Southern Eastern Desert, Egypt: From metasomatism to weathering. Journal of African Earth Sciences, 58(2), 305-320.


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