Diederik Visser's Image Gallery

Caysichite-(Y): Y2(Ca,Gd)2Si4O10(CO3)3(H2O,O,OH)·3H20

Comments: Brownish inclusions of caysichite-(Y) with white tengerite-(Y) rims.
Location: Mt. Ploskaja, Keivi, Kola, Russia. Scale: Sample Size 2.5x3 cm.
© Diederik Visser

Chalcothallite: (Cu,Fe)6Tl2SbS4

Comments: Gray-black, platy chalcothallite aggregates in matrix.
Location: Taseq Slope, Ilimaussaq Complex, Narsaq, Kitaa, West Greenland, Denmark. Scale: Specimen Size 6x20 mm.
© Diederik Visser

Chekhovichite: (Bi,Pb,Fe)2Te4O11

Comments: Crude, white transparent subhedral chekhovichite crystal.
Location: Zod Deposit, 14 km East of Verdenis, Armenia. Scale: Specimen Size 2x7 mm.
© Diederik Visser

Chukhrovite-(Y): Ca3(Y,Ce)Al2(SO4)F13·10(H2O)

Comments: White crystalline crust of chukhrovite-(Y) on matrix.
Location: Kara-Oba deposit, Betpakdala Desert, Central Kazakhstan. Scale: Not Given.
© Diederik Visser

Chvilevaite: Na(Cu,Fe,Zn)2S2

Comments: Black metallic chvilevaite in sandstone. Part of a drillcore.
Location: La Serena, Region III, Chile. Scale: Specimen Size 0.8x1.8 cm.
© Diederik Visser

Cleusonite: Pb(U++++,U++++++)(Ti,Fe++,Fe+++)20(O,OH)38

Comments: Black submetallic ceusonite crystals in matrix.
Location: Kaisererbruch, Rauris, Salzburg, Austria. Scale: Specimen Size 3x4.5 cm.
© Diederik Visser

Clinoptilolite-Na: (Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O)

Comments: Transparent, brown clinoptilolite-Na crystals in cavities.
Location: Richardson Ranch, Madras, Jefferson Co., Oregon, USA. Scale: Specimen Size 1.5x1.5 cm.
© Diederik Visser

Cobaltpentlandite: Co9S8

Comments: Bronze-yellow cobaltpentlndite in pyrrhotite.
Location: Outokumpu, Finland. Scale: Specimen Size 0.8x1.5 cm.
© Diederik Visser

Coiraite: (Pb,Sn)12.5As3Sn5FeS28

Comments: Dark grayish, micro-crystalline aggregates of coiraite with sphalerite.
Location: Mina Pirquitas, Dep. Rinconada, Province Jujuy, Argentina. Scale: Not Given.
© Diederik Visser

Cuspidine: Ca4Si2O7(F,OH)2  
Jasmundite: Ca11(SiO4)4O2S

Comments: Tan-brownish crystals of jasmundite and dark green cuspidine with gehlenite and spinel in matrix.
Location: Bellerberg, Eifel, Germany. Scale: Not Given.
© Diederik Visser

Cyanophyllite: Cu++5Al2(SbO4)3(OH)7·9(H2O)

Comments: Small pale green cyanophyllite crystals with blue azurite on matrix.
Location: Monte Avanza, Forni Avoltri, Udine, Italy. Scale: Picture size 1 cm.
© Diederik Visser

Dachiardite-Ca: (Ca,Na2,K2)5Al10Si38O96·25(H2O)

Comments: Milky bladed aggregates of dachiardite-Ca with mordenite-Na in cavities in basalt.
Location: Cape Lookout Quarry, Tillamook Co., Oregon, USA. Scale: Specimen Size 2.5x4 cm.
© Diederik Visser

Delhayelite: (Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3·18(H2O)

Comments: Gray to creamy delhayelite crystal in matrix.
Location: Mt. Rasvumchorr, Chibiny, Kola, Russia. Scale: Specimen Size 2.5x5 cm.
© Diederik Visser

Deloneite-(Ce): NaCa2SrCe(PO4)3F

Comments: Pale yellow deloneite-(Ce) in matrix.
Location: Koashva Mt., Chibiny, Kola, Russia. Scale: Specimen Size 1.5x2.5 cm.
© Diederik Visser

Diversilite-(Ce): Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9

Comments: Crude platy brown diversilite-(Ce) in matrix.
Location: Mt. Yukspor, Chibiny, Kola, Russia. Scale: Not Given.
© Diederik Visser

Dusmatovite: K(K,Na,[ ])(Mn++,Y,Zr)2(Zn,Li)3Si12O30

Comments: Violet-brown crystals of dusmatovite in a capsule.
Location: Dara-i-Pioz, Tadjikistan. Scale: Not Given.
© Diederik Visser

Dzhalindite: In(OH)3

Comments: Translucent to opaque yellow brown dzhalidite in matrix.
Location: Dzhalinda Tin Deposit, Malyi Khnigan Range, Khabarovsk Territory, Russia. Scale: Picture Size 3 mm.
© Diederik Visser

Eirikite: KNa6Be2(Si15Al3)O39F2

Comments: Radial aggregates of silky white eirikite crystals in matrix.
Location: Mt. Eveslogchorr, Chibiny, Kola, Russia. Scale: Not Given.
© Diederik Visser

Farringtonite: Mg3(PO4)2

Comments: B&W BSE image of a fragment of farringtonite mounted in an epoxy grain mount.
Location: Springwater Pallasite, Saskatchewan, Canada (1931). Scale: See Image.
© 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