Zinc selenide ZnSe
—
Stilleite
Open
CVD ZnSe optics ingots by Crystaltechno
Photo by Crystaltechno (via Wikimedia Commons). CC-BY-SA 3.0
0
1
0
IR
Compound , Selenide
Zinc sulphide ZnS
—
Sphalerite , Wurtzite
Open
Sphalerite specimen from Rodna, Transilvania, Romania
Photo by Ken Larsen, via Smithsonian National Museum of Natural History
4
61
4
CL, CL/SEM, SXES
Sulphide , Compound
Zinc telluride ZnTe
—
—
0
1
0
IR
Compound, Telluride
Zincite ZnO
Zinc oxide —
Open
Zincite specimen from Franklin, Sussex Co., NJ, USA
Photo by Penland, via Smithsonian National Museum of Natural History
0
1
1
CL/SEM
Mineral, Simple oxide
Zinnwaldite KFeII 2 Al(Al2 Si2 O10 )(OH)2 — KLi2 Al(Si4 O10 )(F,OH)2
Mica Zinnwaldite-1M
Open
Zinnwaldite, from Morefield Mine, Amelia Courthouse, Virginia, USA
Photo by the Smithsonian Institution, CC0
2
5
1
Reflectance
Hydroxide , Aluminosilicate , Series
Zinnwaldite-1M KFeII 2 Al(Al2 Si2 O10 )(OH)2 — KLi2 Al(Si4 O10 )(F,OH)2
Zinnwaldite —
3
0
0
—
Hydroxide , Aluminosilicate , Polytype
Zippeite K2 [(UO2 )4 (SO4 )2 O2 (OH)2 ](H2 O)4
Minerals containing H2O , Minerals containing OH , Minerals containing SO4 —
Open
Na-Zippeite specimen from the Bukov Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic. FOV: 6mm
Photo by Weirdmeister (via Wikimedia Commons), CC-BY-SA 4.0
0
3
0
PL
Hydroxide , Mineral, Sulphate , Uranyl , Hydrated
Zircon ZrSiO4
Minerals containing SiO4 , Zircon (group) Cyrtolite
Open
Zircon specimen from Alta, Finnmark, Norway
Photo by Penland, via Smithsonian National Museum of Natural History
8
323
28
CL, CL/SEM, EDS, PL/Laser, SXES
Mineral, Silicate
Zircon (group) M SiO4 , M =Zr,Th,Hf,CeNesosilicate Reidite , Coffinite , Thorite , Stetindite-(Ce) , Hafnon , Zircon (var. synthetic) , Zircon
0
347
31
CL, CL/SEM, EDS, PL/Laser, SXES
Group , Silicate
Zirconia ZrO2
—
Baddeleyite
Open
A round brilliant-cut cubic zirconia
2004 Gregory Phillips (via Wikimedia Commons), CC-BY-SA-3.0
1
18
3
CL, CL/SEM, SXES
Simple oxide , Compound
Zirconium Zr
—
—
Open
Photo by W. Oelen (http://woelen.homescience.net/science/index.html), via Wikimedia Commons, CC-BY-SA 3.0
1
26
2
SXES
Element , Metal
Zirconolite (Ca,Y)Zr(Ti,Mg,Al)2 O7 , (Ca,Ce)Zr(Ti,Nb,Fe)2 O7
—
—
1
2
1
CL
REE, Mineral
Zoisite Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH)
Minerals containing SiO4 , Minerals containing OH , Epidote (group) Thulite
Open
Photograph of a tanzanite (NMNH G4876) from the National Gem Collection that displays blue-to-purple pleochroism. In this photo, the crystal is blue but the reflection is purple.
Photo by Chip Clark, Smithsonian Institution. Public Domain.
3
3
3
CL, EDS
Hydroxide , Mineral, Aluminosilicate
w(OH, F, Cl)-dominant amphibole A0-1 X2 Z5 T8 O22 (OH,F,Cl)2
Amphibole Mg-Fe-Mn amphibole , Sodium amphibole , Na-Ca amphibole , Calcium amphibole
0
55
7
Reflectance
Group
Åkermanite-Gehlenite (series) Ca2 MgSi2 O7 — Ca2 Al2 SiO7
—
Åkermanite , Gehlenite
0
1
0
IR
Silicate , Series
