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Schoderite: Al2(PO4)(VO4)·8(H2O)
Comments: Sub-mm coatings of yellow to deep orange Schoderite on matrix. Location: Fish Creek Range, Eureka County, Nevada, USA. Scale: Picture size 2 cm. © John Veevaert
Scholzite: CaZn2(PO4)2·2(H2O)
Comments: Sprays of Scholzite crystals to 1 cm line exposed vugs. Location: Reaphook Hill, Blinman, South Australia. Scale: Picture size 1 cm. © John Veevaert
Scorodite: Fe+++AsO4·2(H2O)
Comments: Color changing scorodite, green (left image) in daylight, red (right image) under indoor lighting. Location: Ahgbar, Morocco. Scale: NA. © John Veevaert
Comments: Quartz with an exposed vug lined with lustrous bluish colored crystals of scorodite to 4 mm across. Location: Hemerdon Mine, Sparkwell, Devon, England. Scale: 5 x 3.6 cm. © John Veevaert
Scorzalite: (Fe++,Mg)Al2(PO4)2(OH)2
Comments: Deep blue scorzalite with muscovite, quartz, and feldspar in matrix. Location: Polermo Mine, North Groten, New Hampshire, USA. Scale: 5 x 3.5 cm. © John Veevaert
Semenovite: (Na,Ca)9(Ce,La)2(Fe++,Mn)(Si,Be)20(O,OH,F)48
Comments: Tan crystals of semenovite to 1 mm across on matrix. Location: Ilimaussaq, Tasseq, Greenland. Scale: Picture size 1 cm. © John Veevaert
Semseyite: Pb9Sb8S21
Comments: Crystal clusters of semseyite crystals to 1 cm on sphalerite. Location: Herja, Romania. Scale: Picture size 5 cm. © John Veevaert
Shigaite: Mn++7Al4(SO4)2(OH)22·8(H2O) Pyrochroite: Mn(OH)2
Comments: Bronzy yellow crystals of shigaite set in a crystalline matrix of reddish black pychroite. Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 2.8 x 2.3 cm. © John Veevaert
Shigaite: Mn++7Al4(SO4)2(OH)22·8(H2O)
Comments: Cluster of sharp, transparent crystals of brown shigaite to 1.2 cm across. Location: N'Chwaning mine. South Africa. Scale: Aggregate size 1.2 cm. © John Veevaert
Sideronatrite: Na2Fe+++(SO4)2(OH)·3(H2O)
Comments: Golden yellow acicular sprays of sideronatrite crystals on matrix. Location: Sulfur pit, Crescent Valley, Nevada, USA. Scale: 6 x 5 x 4 cm. © John Veevaert