Copyright: © Bruce Cairncross Photo ID: 1364463 Uploaded by: Bruce Cairncross Upload date: 2024-04-05 View Count: 5 Status: Public galleries Type: Photo - 2700×2764 (7.5 Mpix)

F3U-9RU Muscovite KAl₂(AlSi₃O₁₀)(OH)₂ , Fluorite CaF₂

Erongo Mountains, Karibib Constituency, Erongo Region, Namibia

Dimensions: 9.5 cm

Vibrant, bright yellow muscovite crystals together with green fluorite.

Copyright: © Bruce Cairncross Photo ID: 1361398 Uploaded by: Bruce Cairncross Upload date: 2024-03-21 View Count: 19 Status: Public galleries Type: Photo - 3720×4000 (14.9 Mpix)

Sketch map of Clairwood quarry

Clairwood quarries, Umhlatuzana valley, Durban, eThekwini Metropolitan Municipality, KwaZulu-Natal, South Africa

Sketch map from McCarthy (1967) of the geology at Clairwood quarry.

Photo ID: 1346782 Uploaded by: Bruce Cairncross Upload date: 2024-01-17 View Count: 23 Status: Public galleries Type: Photo - 3128×1414 (4.4 Mpix)

U7Q-T11 Gypsum CaSO₄·2H₂O

Swakopmund Constituency, Erongo Region, Namibia

Dimensions: 8 cm

Masses of gypsum crystals (variety selenite) nucleated around a bird feather. The specimen looks superficially like a pseudomorph after a legless mouse! From one of the evaporitic salt pans in the Swakopmund district.

Copyright: © Bruce Cairncross Photo ID: 1345779 Uploaded by: Bruce Cairncross Upload date: 2024-01-12 View Count: 36 Status: Public galleries Type: Photo - 6000×4000 (24.0 Mpix)

JC8-21G Gypsum CaSO₄·2H₂O , Inesite Ca₂(Mn,Fe)₇Si₁₀O₂₈(OH)₂·5H₂O , Xonotlite Ca₆(Si₆O₁₇)(OH)₂ , Calcite CaCO₃

Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Dimensions: 2.7 cm

Well crystallized, transparent gypsum partly coating red inesite. The white crystals around the rim are calcite and minor white fibrous xonotlite is also present. The reverse side of the specimen is coated in xonotlite.

Copyright: © Bruce Cairncross Photo ID: 1344865 Uploaded by: Bruce Cairncross Upload date: 2024-01-07 View Count: 24 Status: Public galleries Type: Photo - 6000×4000 (24.0 Mpix)

MX1-EV5 Gypsum CaSO₄·2H₂O

Port Nolloth, Richtersveld Local Municipality, Namakwa District Municipality, Northern Cape, South Africa

Dimensions: 5.7 cm

Gypsum crystals from the Port Nolloth district.

Copyright: © Bruce Cairncross Photo ID: 1344864 Uploaded by: Bruce Cairncross Upload date: 2024-01-07 View Count: 19 Status: Public galleries Type: Photo - 4830×3584 (17.3 Mpix)

76X-499 Kyanite Al₂(SiO₄)O

Port Nolloth, Richtersveld Local Municipality, Namakwa District Municipality, Northern Cape, South Africa

Dimensions: 2.6 cm

Multi-coloured kyanite crystals from the Port Nolloth area. The top-right orange crystal is 2.6 cm.

Copyright: © Bruce Cairncross Photo ID: 1344863 Uploaded by: Bruce Cairncross Upload date: 2024-01-07 View Count: 38 Status: Public galleries Type: Photo - 4928×3264 (16.1 Mpix)

RGT-TNU Xonotlite Ca₆(Si₆O₁₇)(OH)₂ , Gypsum CaSO₄·2H₂O

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Dimensions: 9.7 cm

Transparent gypsum, overgrown on white xonotlite, on the reverse of the specimen, but visible through the gypsum.

Copyright: © Bruce Cairncross Photo ID: 1344862 Uploaded by: Bruce Cairncross Upload date: 2024-01-07 View Count: 21 Status: Public galleries Type: Photo - 5469×3817 (20.9 Mpix)

ARP-H3Y Gypsum CaSO₄·2H₂O , Ettringite Ca₆Al₂(SO₄)₃(OH)₁₂·26H₂O

N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa

Dimensions: 7.6 cm

Transparent gypsum partly enclosing yellow ettringite.

Copyright: © Bruce Cairncross Photo ID: 1344861 Uploaded by: Bruce Cairncross Upload date: 2024-01-07 View Count: 22 Status: Public galleries Type: Photo - 6000×4000 (24.0 Mpix)

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Bruce Cairncross' Photo Gallery

Mufulira geology

7NX-PYTCalcite CaCO3

F3U-9RUMuscovite KAl2(AlSi3O10)(OH)2 , Fluorite CaF2

Sketch map of Clairwood quarry

U7Q-T11Gypsum CaSO4·2H2O

JC8-21GGypsum CaSO4·2H2O , Inesite Ca2(Mn,Fe)7Si10O28(OH)2·5H2O , Xonotlite Ca6(Si6O17)(OH)2 , Calcite CaCO3

MX1-EV5Gypsum CaSO4·2H2O

76X-499Kyanite Al2(SiO4)O

RGT-TNUXonotlite Ca6(Si6O17)(OH)2 , Gypsum CaSO4·2H2O

ARP-H3YGypsum CaSO4·2H2O , Ettringite Ca6Al2(SO4)3(OH)12·26H2O