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Sample Type is Mineral › Silicates › Tectosilicates › Quartz group

40 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD02YUS0 Tridymite Tridymite in Basalt Germany 0 Ritter 154, 11 A
GRD02Z5S0 Quartz Terminated Smoky Quartz Scepters on Albite(Cleavelandite) California 0 Ritter 154, 11 B
GRD02ZIS0 Quartz Portion of Quartz filled veg or vein, small quartz crystals. Unknown 0 Ritter 154, 11 B
GRD02ZJS0 Quartz Massive Smoky Quartz with Mica New Hampshire 0 Ritter 154, 11 B
GRD02ZMS0 Quartz Quartz var. Amethyst. 0 Ritter 154, 11 B
GRD02ZOS0 Quartz Quartz var. Moss Opal Idaho 0 Ritter 154, 11 B
GRD02ZQS0 Quartz Quartz var. Chalcedony var. Onyx. Varicolored layered chalcedony Mexico 0 Ritter 154, 11 B
GRD03I5S0 Quartz group Wentworth 0 Ritter 154, 6 H
GRD03I6S0 Quartz South Dakota 0 Ritter 154, 6 H
GRD03I7S0 Quartz California 0 Ritter 154, 6 H
GRD03I8S0 Quartz Colorado 0 Ritter 154, 6 H
GRD03I9S0 Quartz Arkansas 0 Ritter 154, 6 H
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