GRD03IAS0 |
Quartz
|
Jasper: Colored red and yellow by iron oxides (Hematite and Limonite). Whitish Chalcedony is along some edges. Museum Trip 53R6b |
California |
0 |
Ritter 154, 6 H |
GRD03IBS0 |
Quartz
|
Good example of Straited Quartz. One large subhedral Quartz crystal |
Unknown |
0 |
Ritter 154, 6 H |
GRD03ICS0 |
Quartz
|
|
Unknown |
0 |
Ritter 154, 6 H |
GRD03IDS0 |
Quartz
|
|
Arkansas |
0 |
Ritter 154, 6 H |
GRD03IES0 |
Cristobalite
|
Opal-CT with dendritic Mn oxides |
Unknown |
0 |
Ritter 154, 6 H |
GRD03IFS0 |
Quartz
|
Terminated Quartz scepters |
Unknown |
0 |
Ritter 154, 6 H |
GRD03IGS0 |
Quartz
|
Quartz var. Flint |
Unknown |
0 |
Ritter 154, 6 H |
GRD03IHS0 |
Quartz
|
Quartz var. Moss Agate |
Nevada |
0 |
Ritter 154, 6 H |
GRD03IIS0 |
Quartz
|
Quartz var. Precious Opal. Exhibits spectral color display in places |
Unknown |
0 |
Ritter 154, 6 H |
GRD03IJS0 |
Quartz
|
Quartz var. Petrified Wood |
Arizona |
0 |
Ritter 154, 6 H |
GRD03IKS0 |
Quartz
|
Quartz var. Jasper |
South Dakota |
0 |
Ritter 154, 6 H |
GRD03ILS0 |
Quartz
|
Quartz var. Chert |
Missouri |
0 |
Ritter 154, 6 H |
GRD03IMS0 |
Quartz
|
Quartz in cavities in meta-volcanic rock. |
California |
0 |
Ritter 154, 6 H |
GRD03INS0 |
Quartz
|
Quartz with other |
Unknown |
0 |
Ritter 154, 6 H |
GRD03IOS0 |
Quartz
|
Quartz var. Opal |
France |
0 |
Ritter 154, 6 H |
GRD03IPS0 |
Quartz
|
Dehydrated Opal |
Mexico |
0 |
Ritter 154, 6 H |
GRD03IQS0 |
Quartz
|
Quartz var. Flint |
United Kingdom |
0 |
Ritter 154, 6 H |
GRD03IRS0 |
Quartz
|
Bull Quartz, about 5 pounds of material |
Unknown |
0 |
Ritter 154, 6 H |
GRD03ISS0 |
Andalusite
|
Andalusite-Sericite schist |
Canada |
0 |
Ritter 154, 11 G |
GRD03ITS0 |
Anthophyllite
|
Anthophyllite-Biotite-Plag Gneiss. Anthophyllite exhibited across surface of sample |
Connecticut |
0 |
Ritter 154, 5 G |
GRD03IUS0 |
Kyanite
|
Kyanite-Biotite Schist with crenulation cleavage |
Unknown |
0 |
Ritter 154, 11 G |
GRD03IVS0 |
Olivine group
|
Dunite (Granular Olivine) inclusion in basalt. Xenocryst |
Antarctica |
0 |
Ritter 154, 11 G |
GRD03IWS0 |
Calcite
|
Calcite crystals on fine marcasite and pyrite within brecciated chert |
Oklahoma |
0 |
Ritter 154, 5 B |
GRD03IXS0 |
Malachite
|
|
Arizona |
0 |
Ritter 154, 5 B |
GRD03IYS0 |
Axinite
|
|
California |
0 |
Ritter 154, 5 A |
GRD03IZS0 |
Feldspathoid group
|
Danalite (pink) with Flourite (purple) |
Rhode Island |
0 |
Ritter 154, 11 B |
GRD03J0S0 |
Actinolite
|
|
Unknown |
0 |
Ritter 154, 5 G |
GRD03J1S0 |
Riebeckite
|
Crocidolite (Blue Asbestos), an asbestiform variety of the amphibole Riebeckite |
Unknown |
0 |
Ritter 154, 5 G |
GRD03J2S0 |
Magnetite
|
Euhedral Magnetite crystals |
Unknown |
0 |
Ritter 154, 12 D |
GRD03J3S0 |
Apatite
|
Fragment of a euhedral Apatite prism |
Unknown |
0 |
Ritter 154, 12 F |