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Sample Type is Mineral › Silicates › Nesosilicates

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD0327S0 Pyrope Pyrope with Calcite and Epidote. Euhedral Pyropes up to 1 cm across. California 0 Ritter 154, 11 F
GRD0328S0 Uvarovite Micro crystals of Uvarovite on Chrome-Diopside. Canada 0 Ritter 154, 11 F
GRD0329S0 Andradite Large sample of Andradite - Franklinite ore mass. Calcite partly dissolved in dilute NCl. New Jersey 0 Ritter 154, 11 F
GRD032AS0 Pyrope Pyrope Garnet in Biotite Schist. Canada 0 Ritter 154, 11 F
GRD032BS0 Grossular Grossular and Zoisite, red-brown and neutral-gray respectively. California 0 Ritter 154, 11 F
GRD032CS0 Grossular Massive Grossular showing fracturing/layering/cleavage(?). California 0 Ritter 154, 11 F
GRD032DS0 Almandine Red anhedral Almandine New York 0 Ritter 154, 11 F
GRD032ES0 Grossular Approximately 20 fragments of Grossular. Mexico 0 Ritter 154, 11 F
GRD032FS0 Grossular Euhedral perfect dodecahedron Grossular crystal approx 2.5 cm across. Mexico 0 Ritter 154, 11 F
GRD032GS0 Andradite Andradite with Calcite and other green/black minerals, may be Epidote. Two small grain mounts. Unknown 0 Ritter 154, 11 F
GRD032HS0 Almandine Almandine Garnet subhedral, approx 1.5-3 cm. Burminco bulk, approx 10 pieces. Canada 0 Ritter 154, 11 F
GRD032IS0 Pyrope Approximately 15 crystals of subhedral Pyrope, approx 1 cm each in size. Madagascar 0 Ritter 154, 11 F
GRD032JS0 Andradite Burminco bulk Andradite approx. 30 pieces. Arizona 0 Ritter 154, 11 F
GRD032KS0 Garnet group Various size subhedral to euhedral green-yellow garnet crystals. Unknown origin, likely from Wards or Burminco bulk. Approximately 20 crystals. Unknown 0 Ritter 154, 11 F
GRD035YS0 Olivine group Arizona 0 Ritter 154, 11 G
GRD0360S0 Forsterite Near forsterite end of olivine series. Burminco. Washington 0 Ritter 154, 11 G
GRD0361S0 Andalusite Burminco Bulk California 0 Ritter 154, 11 G
GRD0362S0 Sillimanite Burminco Bulk Colorado 0 Ritter 154, 11 G
GRD0363S0 Pyrope Tanzania 0 Ritter 154, 11 F
GRD0364S0 Topaz Topaz var. Pycnite, columnar yellow topaz. Germany 0 Ritter 154, 11 G
GRD0365S0 Sillimanite Sillimanite with magnetite 0 Ritter 154, 11 G
GRD0366S0 Willemite Willemite and Franklinite New Jersey 0 Ritter 154, 11 G
GRD0367S0 Staurolite Staurolite porphyroblasts in Biotite Schist Maine 0 Ritter 154, 11 G
GRD0368S0 Nesosilicates California 0 Ritter 154, 11 G
GRD0369S0 Nesosilicates Pale brown vitreous monticellite in calcite California 0 Ritter 154, 11 G
GRD036AS0 Nesosilicates yellow brown vitreous Chondrodite crystals in marble Canada 0 Ritter 154, 11 G
GRD036BS0 Topaz Two clear samples, two brown tarnished samples. Burminco Brazil 0 Ritter 154, 11 G
GRD036CS0 Pyrope Garnet var. Rhodolite North Carolina 0 Ritter 154, 11 F
GRD036DS0 Fayalite One hand sample, one mounted in epoxy. Massachusetts 0 Ritter 154, 11 G
GRD036ES0 Olivine group Granular Olivine xenocrysts in vesicular basalt, unknown origin. Unknown 0 Ritter 154, 11 G