Mineral Specimen Images (F)

Ferrarisite: Ca5(AsO3OH)2(AsO4)2·9(H2O)

Comments: Translucent crystal spray of ferrarisite on matrix.
Location: Gift Grube, Sainte-Marie-aux-Mines, Alsace, Haute-Rhin, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrarisite: Ca5(AsO3OH)2(AsO4)2·9(H2O)

Comments: Translucent crystal spray of ferrarisite on matrix.
Location: Gift Grube, Sainte-Marie-aux-Mines, Alsace, Haute-Rhin, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrazite: (Pb,Ba)3(PO4)2·8(H2O) (?)  
Gorceixite: BaAl3(PO4)(PO3OH)(OH)6

Comments: Translucent platy crystals of gorceixite on tan siderite with white aragonite coatings. Ferrazite is identical to gorceixite.
Location: Rapid Creek, Yukon, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrazite: (Pb,Ba)3(PO4)2·8(H2O) (?)  
Gorceixite: BaAl3(PO4)(PO3OH)(OH)6

Comments: Translucent platy crystals of gorceixite on tan siderite with white aragonite coatings. Ferrazite is identical to gorceixite.
Location: Rapid Creek, Yukon, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferriallanite-(Ce): CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)  
Kainosite-(Y): Ca2(Y,Ce)2Si4O12(CO3)·(H2O)

Comments: Short prismatic black crystals of ferriallanite-(Ce) in white slightly weathered kainosite-(Y). Orange prisms are zircons of the first generation. Fragment of the holotype specimen.
Location: Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Crystal Size 2 mm.
© Pavel M. Kartashov

Ferriallanite-(Ce): CaCe(Fe+++,Fe++,Al)3[SiO4][Si2O7]O(OH)  
Kainosite-(Y): Ca2(Y,Ce)2Si4O12(CO3)·(H2O)

Comments: Short prismatic black crystals of ferriallanite-(Ce) in white slightly weathered kainosite-(Y). Orange prisms are zircons of the first generation. Fragment of the holotype specimen.
Location: Neprimetnyi pegmatite, Mount Ulyn Khuren, Khaldzan Buragtag Massif, Altai Mts, Hovd Aimag (Khovd Aimag), Mongolia. Scale: Crystal Size 2 mm.
© Pavel M. Kartashov

Ferribarroisite: CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2

Comments: Small grains of ferribarroisite in capsule.
Location: Ilmeny Mts, Chelyabinsk District, South Urals, Russia. Scale: Not Given.
© Sergey Vasiliev / Systematic Mineralogy

Ferribarroisite: CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2

Comments: Small grains of ferribarroisite in capsule.
Location: Ilmeny Mts, Chelyabinsk District, South Urals, Russia. Scale: Not Given.
© Sergey Vasiliev / Systematic Mineralogy

Ferric-ferronyboite: NaNa2(Fe++)3(Fe+++)2(Si7Al)O22(OH)2

Comments: Black granular-prismatic masses of ferric-ferronyboite. Associated minerals are white albite and beige zircon.
Location: Abdong (Aptong) Zr-Nb deposit, Pyonggang-gun, Kangwon Province, North Korea. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

Ferric-ferronyboite: NaNa2(Fe++)3(Fe+++)2(Si7Al)O22(OH)2

Comments: Black granular-prismatic masses of ferric-ferronyboite. Associated minerals are white albite and beige zircon.
Location: Abdong (Aptong) Zr-Nb deposit, Pyonggang-gun, Kangwon Province, North Korea. Scale: Picture Size 12x10 mm.
© Pavel M. Kartashov

Ferricopiapite: Fe+++2/3Fe+++4(SO4)6(OH)2·20(H2O)

Comments: Earthy, yellow ferricopiapite, variety chalcanthite.
Location: Bisbee, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferricopiapite: Fe+++2/3Fe+++4(SO4)6(OH)2·20(H2O)  
Goldichite: KFe+++(SO4)2·4(H2O)  
Coquimbite: Fe+++2(SO4)3·9(H2O)

Comments: Prismatic to fibrous crystals of goldichite on white massive coquimbite with yellow ferricopiapite.
Location: Dexter No. 7 Mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferricopiapite: Fe+++2/3Fe+++4(SO4)6(OH)2·20(H2O)

Comments: Earthy, yellow ferricopiapite, variety chalcanthite.
Location: Bisbee, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferricopiapite: Fe+++2/3Fe+++4(SO4)6(OH)2·20(H2O)  
Goldichite: KFe+++(SO4)2·4(H2O)  
Coquimbite: Fe+++2(SO4)3·9(H2O)

Comments: Prismatic to fibrous crystals of goldichite on white massive coquimbite with yellow ferricopiapite.
Location: Dexter No. 7 Mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrierite-K: (K,Na)2Mg(Si,Al)18O36·9(H2O)

Comments: Tufts of white to pinkish acicular ferrierite-K on blocky, transparent clinoptitolite.
Location: Kanan Road Quarry, Agoura, Los Angeles Co., California, USA. Scale: Not Given.
© Diederik Visser

Ferrierite-K: (K,Na)2Mg(Si,Al)18O36·9(H2O)

Comments: Tufts of white to pinkish acicular ferrierite-K on blocky, transparent clinoptitolite.
Location: Kanan Road Quarry, Agoura, Los Angeles Co., California, USA. Scale: Not Given.
© Diederik Visser

Ferrierite-Mg: (Mg,Na,K)2Mg(Si,Al)18O36·9(H2O)

Comments: Orange, druzy crusts of ferrierite-Mg lining a pocket.
Location: Monte Lake, Kamloops Mining Division, British Columbia, Canada. Scale: Specimen Size 3.2 x 2.6 x 2.5 cm.
© Rob Lavinsky

Ferrierite-Mg: (Mg,Na,K)2Mg(Si,Al)18O36·9(H2O)

Comments: Orange, druzy crusts of ferrierite-Mg lining a pocket.
Location: Monte Lake, Kamloops Mining Division, British Columbia, Canada. Scale: Specimen Size 3.2 x 2.6 x 2.5 cm.
© Rob Lavinsky

Ferrierite-Na: (Na,K)2Mg(Si,Al)18O36·9(H2O)

Comments: Rounded crystalline aggregate of yellow to brown ferrierite.
Location: Monte Lake, British Columbia, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Ferrierite-Na: (Na,K)2Mg(Si,Al)18O36·9(H2O)

Comments: Rounded crystalline aggregate of yellow to brown ferrierite.
Location: Monte Lake, British Columbia, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals