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Alluaudite : (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 | |
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Buranga pegmatite, Gatumba District, Western Province, Rwanda Picture width is 8mm. Yellow-brown masses of Alluaudite. Depth of field is achieved with CombineZM. |
| © Elmar Lackner | Photo ID: 80380 View Count: 506 |
Anthoinite : WAlO3(OH)3 (?), Cassiterite : SnO2 | |
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Gifurwe Mines, Gifurwe sector, Cyeru Commune, Northern Province, Rwanda Yellow earthy masses of anthoinite, intermixed with dark brown cassiterite. S287-027 Specimen courtesy of Excalibur Mineral Company. About 5 cm across. Specimen label indicates locality is "Gikunga, Kifuruwe, Rwanda". The indicated locality is the best match of the label information with the Mindat database. |
| © 2007, JGW | Photo ID: 133604 View Count: 275 |
Berlinite : Al[PO4], Scorzalite : (Fe2+,Mg)Al2[OH|PO4]2, Brazilianite : NaAl3[(OH)2|PO4]2 | |
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Buranga pegmatite, Gatumba District, Western Province, Rwanda Greyish finecrystaline agregate of berlinite with blue scorzalite inclusions within light-greenish massive brazilianite. FOV is ~5x4 cm. Polished specimen. Pavel M. Kartashov collection and photo. |
| © Pavel M. Kartashov | Photo ID: 145755 View Count: 148 |
Bertossaite : (Li,Na)2(Ca,Fe2+,Mn2+)Al4[(OH,F)|PO4]4, Apatite, Lazulite : (Mg,Fe2+)Al2[OH|PO4]2 | |
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Buranga pegmatite, Gatumba District, Western Province, Rwanda Pale pinkish bertossaite, with yellowish colored apatite and blue lazulite. 1.5 cm specimen. S131-10 Courtesy of Excalibur Mineral Company. |
| © 2007, JGW | Photo ID: 140042 View Count: 222 |
Brazilianite : NaAl3[(OH)2|PO4]2, Berlinite : Al[PO4], Scorzalite : (Fe2+,Mg)Al2[OH|PO4]2 | |
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Buranga pegmatite, Gatumba District, Western Province, Rwanda Polished specimen of different phosphates from famous Buranga pegmatite. Main mineral here is light-green brazilianite, containing pockets of greyish fine-crystaline berlinite coloured by dark-blue scorzalite. Minute quartz and white inclusions of gatumbaite and carbonatapatite also present here. Specimen size is 12x6x1.5 cm. Collected in 60th. ... |
| © Pavel M. Kartashov | Photo ID: 145761 View Count: 133 |
Burangaite : (Na,Ca0.5)(Fe2+,Mg)Al5[(OH,O)3|(PO4)2]2 · 2H2O | |
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Buranga pegmatite, Gatumba District, Western Province, Rwanda Blue Burangaite from the TL. Field of view 5 mm. Specimen and photo Leon Hupperichs. |
| © Leon Hupperichs | Photo ID: 103180 View Count: 195 |
Cassiterite : SnO2 | |
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Muhurgwe deposit, Cyabingo, Northern Province, Rwanda Very nice gemmly crystal, floater with the complete termination. 3,5 x 3,5 cm. Formed of the complex twin. Found in 1965. Collection Jean-François LANOE, inv.0560-233. |
| © G.E.G.M - FRANCE | Photo ID: 116758 View Count: 123 |
Cassiterite : SnO2 | |
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Busoro, Western Province, Rwanda 2.5 x 2.5 x 1.3 cm. A VERY RARE and EXCELLENT thumbnail of a splendent, twinned, black cassiterite crystal from a MOST UNCOMMON worldwide locality - Busoro, Rwanda. The crystals, terminations and twinning plane are extremely sharp and the trivial bruising on the terminations is certainly not a detraction on this very showy piece from a RARE ... |
| © Rob Lavinsky | Photo ID: 118857 View Count: 80 |
Fillowite : {Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}[PO4]36, Heterosite : (Fe3+,Mn3+)[PO4] | |
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Kiluli, Rwanda Dark green fillowite intermixed with purplish colored heterosite, 1 cm field of view. S097-20 Excalibur Mineral specimen. |
| © 2007, JGW | Photo ID: 141054 View Count: 262 |
Hydrotungstite : WO3·2H2O, Ferberite : FeWO4, Cuprotungstite : Cu2[(OH)2|WO4] | |
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Lutsiro, Sebeya river, Kabaya District, Rwanda Hydrotungstite crystal, 1 mm, in ferberite matrix with cuprotungstite, from Lutsiro, Rwanda. Photo and collection: Roy Kristiansen |
| © R.Kristiansen | Photo ID: 145116 View Count: 230 |
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