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Englishite : K3Na2Ca10Al15[OH|(PO4)3]7 · 26H2O, Whitlockite : Ca9Mg[PO3OH][PO4]6, Robertsite : Ca3Mn3+4[(OH)3|(PO4)2]2 · 3H2O | |
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Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA Rosettes of colourless englishite crystals to about 1 mm, with greyish white whitlockite on dark red robertsite. Field width: 9 mm. P Haas photograph and collection (no. 74-060). |
| © Peter Haas | Photo ID: 28948 View Count: 643 |
Englishite : K3Na2Ca10Al15[OH|(PO4)3]7 · 26H2O | |
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Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA Pearly Englishite balls together with some Montgomeryite sprays. Field of view 5 mm. Specimen and photo Leon Hupperichs. |
| © Leon Hupperichs | Photo ID: 132864 View Count: 165 |
Englishite : K3Na2Ca10Al15[OH|(PO4)3]7 · 26H2O | |
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Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA Width of field is 2.5 mm. Collection of Jesse Crawford. The depth of field has been enhanced using Helicon Focus (6 exposures). Equipment: Nikon D-100 digital camera on a homemade microscope. |
| © 2008 Jesse Crawford | Photo ID: 178270 View Count: 102 |
Englishite : K3Na2Ca10Al15[OH|(PO4)3]7 · 26H2O, Roscherite : Ca2(Mn2+,Fe2+)5Be4[(OH)4|(PO4)6] · 6H2O | |
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Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA White spherules of englishite on roscherite. Field of view is about 6 cm across. Harvard Mineralogical Museum, no. 119530. P. Cristofono photo. |
| © 2009 Peter Cristofono | Photo ID: 228677 View Count: 43 |
Englishite : K3Na2Ca10Al15[OH|(PO4)3]7 · 26H2O | |
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Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA Platy aggregate of translucent greyish colored englishite crystals, with crandallite. S411-154 #1082# |
| © 2008, JGW | Photo ID: 144610 View Count: 118 |
Englishite : K3Na2Ca10Al15[OH|(PO4)3]7 · 26H2O | |
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Little Green Monster Variscite Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA Platy crystals of englishite with the typical pearly luster. Associated with crandallite, millisite, and variscite. Collected by Ed Over. Field of view, 8mm x 8mm. Brent Thorne specimen and photograph. |
| © Brent Thorne | Photo ID: 30238 View Count: 407 |
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