Canadian Mineralogist's Image Gallery

Jonassonite: Au(Bi,Pb)5S4

Comments: PPL (a) and XPL (b) of jonassonite (Jo) with inclusions of native bismuth (Bi) is intergrown with native bismuth (Bi) and bismuthinite (Bmt). (b) demonstrates the characteristic orange-red color of jonassonite. (CanMin, v44:1127).
Location: Nagybörzsöny ore deposit, Börzsöny Mountains, Hungary. Scale: Scale bar 100 µm.
© Canadian Mineralogist

Jonassonite: Au(Bi,Pb)5S4

Comments: PPL (a) and XPL (b) of jonassonite (Jo) with inclusions of native bismuth (Bi) is intergrown with native bismuth (Bi) and bismuthinite (Bmt). (b) demonstrates the characteristic orange-red color of jonassonite. (CanMin, v44:1127).
Location: Nagybörzsöny ore deposit, Börzsöny Mountains, Hungary. Scale: Scale bar 100 µm.
© Canadian Mineralogist

Kiddcreekite: Cu6SnWS8

Comments: BSE image of kiddcreekite (Ki) with a scheelite core (Sc) and a rim of tungstenite (Tu). The surrounding mineral is clausthalite (Cl). (CanMin, v22:227).
Location: Kidd Creek mine, Timmins, Ontario, Canada. Scale: Grain Size 60µm.
© Canadian Mineralogist

Kiddcreekite: Cu6SnWS8

Comments: BSE image of kiddcreekite (Ki) with a scheelite core (Sc) and a rim of tungstenite (Tu). The surrounding mineral is clausthalite (Cl). (CanMin, v22:227).
Location: Kidd Creek mine, Timmins, Ontario, Canada. Scale: Grain Size 60µm.
© Canadian Mineralogist

Kieftite: CoSb3

Comments: Euhedral kieftite (Kf) crystal in chalcopyrite (Cp) with bismuth (bi) and bornite (Bn). CanMin 32:179.
Location: Tunaberg C u-Co-sulfide skam ores, southeastem Bergslagen, Sweden. Scale: Crystal size 80 µm.
© Canadian Mineralogist

Kieftite: CoSb3

Comments: Euhedral kieftite (Kf) crystal in chalcopyrite (Cp) with bismuth (bi) and bornite (Bn). CanMin 32:179.
Location: Tunaberg C u-Co-sulfide skam ores, southeastem Bergslagen, Sweden. Scale: Crystal size 80 µm.
© Canadian Mineralogist

Knasibfite: K3Na4[SiF6]3[BF4]

Comments: SEM image of knasibfite crystals (CanMin; v46:449).
Location: La Fossa crater, Vulcano Island, Aeolian Archipelago, Sicily, Italy. Scale: See Image.
© Canadian Mineralogist

Knasibfite: K3Na4[SiF6]3[BF4]

Comments: SEM image of knasibfite crystals (CanMin; v46:449).
Location: La Fossa crater, Vulcano Island, Aeolian Archipelago, Sicily, Italy. Scale: See Image.
© Canadian Mineralogist

Kupcikite: Cu3.4Fe0.6Bi5S10  
Cuprobismutite: Cu10Bi12S23

Comments: Backscattered electron image of kupcíkite (ku) replacing cuprobismutite (cu); both phases are in turn replaced by bsimuthinite derivative (bd79-92).
Location: Felbertal, Austria. Scale: Scale bar 100 µ-m.
© Canadian Mineralogist

Kupcikite: Cu3.4Fe0.6Bi5S10  
Cuprobismutite: Cu10Bi12S23

Comments: Backscattered electron image of kupcíkite (ku) replacing cuprobismutite (cu); both phases are in turn replaced by bsimuthinite derivative (bd79-92).
Location: Felbertal, Austria. Scale: Scale bar 100 µ-m.
© Canadian Mineralogist

Laflammeite: Pd3Pb2S2  
Vysotskite: (Pd,Ni)S

Comments: SEM image showing intergrowths of laflammeite (LF) with complexly zoned vysotskite (VS). The surrounding material is epoxy (black). (CanMin, v40:671).
Location: Kirakkajuppura PGE deposit, Penikat layered complex, Finland. Scale: See Image.
© Canadian Mineralogist

Laflammeite: Pd3Pb2S2  
Vysotskite: (Pd,Ni)S

Comments: SEM image showing intergrowths of laflammeite (LF) with complexly zoned vysotskite (VS). The surrounding material is epoxy (black). (CanMin, v40:671).
Location: Kirakkajuppura PGE deposit, Penikat layered complex, Finland. Scale: See Image.
© Canadian Mineralogist

Lalondeite: (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2·3(H2O)

Comments: Vein of pinkish lalondeite with a greenish clinoamphibole in altered breccia.
Location: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: Picture size 3 cm.
© Canadian Mineralogist

Lalondeite: (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2·3(H2O)

Comments: Vein of pinkish lalondeite with a greenish clinoamphibole in altered breccia.
Location: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: Picture size 3 cm.
© Canadian Mineralogist

Lecontite: (NH4,K)Na(SO4)·2(H2O)  
Mascagnite: (NH4)2SO4

Comments: SEM BSE image of fine-grained lecontite (Le) and thenardite, occupying the space between mascagnite (M) crystals. CanMin 47:573.
Location: Coal-waste heap in Avion, northern France, that has been undergoing subsurface combustion for several decades. Scale: See Image.
© Canadian Mineralogist

Lecontite: (NH4,K)Na(SO4)·2(H2O)  
Mascagnite: (NH4)2SO4

Comments: SEM BSE image of fine-grained lecontite (Le) and thenardite, occupying the space between mascagnite (M) crystals. CanMin 47:573.
Location: Coal-waste heap in Avion, northern France, that has been undergoing subsurface combustion for several decades. Scale: See Image.
© Canadian Mineralogist

Luzonite: Cu3AsS4  
Catamarcaite: Cu6GeWS8

Comments: Catamarcaite (Ct) in contact with luzonite (Luz), unnamed Cu8Fe2ZnGe2S12 (un), sphalerite (Sp) and fine-grained chalcocite - covellite (Cc/Cv). (CanMin v44:1481).
Location: Bornite-rich ore from old dumps near the La Rosario vein, Capillitas epithermal deposit, Catamarca Province, Argentina. Scale: See Image.
© Canadian Mineralogist

Luzonite: Cu3AsS4  
Catamarcaite: Cu6GeWS8

Comments: Catamarcaite (Ct) in contact with luzonite (Luz), unnamed Cu8Fe2ZnGe2S12 (un), sphalerite (Sp) and fine-grained chalcocite - covellite (Cc/Cv). (CanMin v44:1481).
Location: Bornite-rich ore from old dumps near the La Rosario vein, Capillitas epithermal deposit, Catamarca Province, Argentina. Scale: See Image.
© Canadian Mineralogist

Maghagendorfite: NaMgMn(Fe++,Fe+++)2(PO4)3

Comments: BSE image of graftonite groundmass (Gft) with microgranules of maghagendorfite (Mhg), triphylite (Trp), ludlamite (Lud), and quartz (Qtz). (CanMin, v46:635).
Location: Brissago Granitic Pegmatites, Western Southern Alps, Canton Ticino, Switzerland. Scale: See Image.
© Canadian Mineralogist

Maghagendorfite: NaMgMn(Fe++,Fe+++)2(PO4)3

Comments: BSE image of graftonite groundmass (Gft) with microgranules of maghagendorfite (Mhg), triphylite (Trp), ludlamite (Lud), and quartz (Qtz). (CanMin, v46:635).
Location: Brissago Granitic Pegmatites, Western Southern Alps, Canton Ticino, Switzerland. Scale: See Image.
© Canadian Mineralogist