Hafafit Vermiculite deposit, Hafafit, Eastern Desert, Red Sea, Egypti
| Regional Level Types | |
|---|---|
| Hafafit Vermiculite deposit | Deposit |
| Hafafit | - not defined - |
| Eastern Desert | Desert |
| Red Sea | Governorate |
| Egypt | Country |
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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 Plate | Tectonic Plate |
| Sahara Desert, North Africa | Desert |
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsDetailed 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 | |||
|---|---|---|---|
| ⓘ | Actinolite | 9.DE.10 | ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2 |
| ⓘ | Anthophyllite | 9.DD.05 | ☐{Mg2}{Mg5}(Si8O22)(OH)2 |
| ⓘ | Corrensite | 9.EC.60 | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
| ⓘ | Hydrobiotite | 9.EC.60 | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
| ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| ⓘ | Tremolite | 9.DE.10 | ☐{Ca2}{Mg5}(Si8O22)(OH)2 |
| ⓘ | Vermiculite | 9.EC.50 | Mg0.7(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 | |||
| ⓘ | Anthophyllite | 66.1.2.1 | ☐{Mg2}{Mg5}(Si8O22)(OH)2 |
| ⓘ | Tremolite | 66.1.3a.1 | ☐{Ca2}{Mg5}(Si8O22)(OH)2 |
| Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | |||
| Sheets of 6-membered rings with 2:1 layers | |||
| ⓘ | Hydrobiotite | 71.2.2d.1 | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
| ⓘ | Phlogopite | 71.2.2b.1 | KMg3(AlSi3O10)(OH)2 |
| ⓘ | Talc | 71.2.1.3 | Mg3Si4O10(OH)2 |
| ⓘ | Vermiculite | 71.2.2d.3 | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra | |||
| ⓘ | Corrensite | 71.4.2.5 | (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
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| H | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
| H | ⓘ Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
| H | ⓘ Smectite Group | A0.3D2-3[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 |
| O | Oxygen | |
| O | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
| O | ⓘ Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
| O | ⓘ Smectite Group | A0.3D2-3[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 |
| Na | Sodium | |
| Na | ⓘ Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
| Mg | Magnesium | |
| Mg | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | ⓘ Hydrobiotite | K(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 |
| Al | Aluminium | |
| Al | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Al | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
| Al | ⓘ Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
| Si | Silicon | |
| Si | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | ⓘ Hydrobiotite | K(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 |
| K | Potassium | |
| K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| K | ⓘ Hydrobiotite | K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O |
| K | ⓘ Corrensite | (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O |
| Ca | Calcium | |
| 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 |
| Fe | Iron | |
| Fe | ⓘ Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Fe | ⓘ Hydrobiotite | K(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
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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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