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Sample Type is Mineral › Silicates › Cyclosilicates › Tourmaline

26 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD02ZUS0 Tourmaline Tourmaline var. Rubellite in Lepidolite California 0 Ritter 154, 5 A
GRD032LS0 Tourmaline Tourmaline var. Schorl, two pieces of Schorl on Quartz, Schorl exhibited as short, stubby, subhedral to euhedral crystals. Schorl not exhibiting typical prismatic crystal form. New York 0 Ritter 154, 5 A
GRD032QS0 Tourmaline Collection of fragments of Tourmaline prisms, variable sizes. California 0 Ritter 154, 5 A
GRD032RS0 Tourmaline Small Tourmaline prisms California 0 Ritter 154, 5 A
GRD032SS0 Tourmaline Tourmaline var. Elbaite. Collected August 1968 Little 3 Mine, Ramona, San Diego County, California 0 Ritter 154, 5 A
GRD032VS0 Tourmaline Tourmaline var. Schorl with Muscovite, Quartz, Plag. Two samples one with a cut face Unknown 0 Ritter 154, 5 A
GRD032ZS0 Tourmaline Tourmaline var. Schorl. Euhedral to subhedral Schorl on Quartz. California 0 Ritter 154, 5 A
GRD0330S0 Tourmaline Tourmaline var. Rubellite on Quartz. California 0 Ritter 154, 5 A
GRD0334S0 Tourmaline Tourmaline var. Schorl fragments of Schorl prisms, Burminco Bulk. Approximately 10 pieces. South Dakota 0 Ritter 154, 5 A
GRD0335S0 Tourmaline Tourmaline var. Schorl on Quartz. Schorl exhibited as columnar aggregates of small prisms. California 0 Ritter 154, 5 A
GRD0336S0 Tourmaline Tourmaline var. Schorl with Muscovite and Quartz. This black prism was altered to white mica by later hydrothermal solutions. California 0 Ritter 154, 5 A
GRD0339S0 Tourmaline Tourmaline var. Dravite. Approx 5 small fragments, anhedral pieces of Dravite no well formed crystal faces. Many pieces have been cut. Sri Lanka 0 Ritter 154, 5 A
GRD033AS0 Tourmaline Tourmaline var. Schorl, with Quartz, Plagioclase, and Muscovite. From UCLA mineral collection. 0 Ritter 154, 5 A
GRD033BS0 Tourmaline Approximately 20 varicolored pieces of Tourmaline. Schorl, Dravite, Watermelon, Rubellite varieties included. Various Sources 0 Ritter 154, 5 A
GRD033DS0 Tourmaline Tourmaline var. Schorl on Monazite. Czech Republic 0 Ritter 154, 5 A
GRD033ES0 Tourmaline Tourmaline var. Schorl. Prismatic euhedral to subhedral tourmaline, 4 prisms. California 0 Ritter 154, 5 A
GRD033GS0 Tourmaline Tourmaline var. Schorl. One portion of a Schorl prism. Italy 0 Ritter 154, 5 A
GRD03BAS0 Tourmaline Tourmaline var. Indicolite with Heulandite, Silbite, Quartz, Apatite, and zeolites California 0 Ritter 154, 5 A
GRD03J6S0 Tourmaline Indicolite and Quartz with minor muscovite, contains a Quartz crystal penetrated by an Indicolite prism. Unknown 0 Ritter 154, 5 A
GRD03KLS0 Tourmaline Tourmaline var. Schorl Unknown 0 Vaughan 146, 40 F
GRD03KMS0 Tourmaline Tourmaline var. Dravite China 0 Vaughan 146, 40 F
GRD03KNS0 Tourmaline Tourmaline var. Elbaite California 0 Vaughan 146, 40 F
GRD03KRS0 Tourmaline Tourmaline var. Elbaite Maine 0 Vaughan 146, 40 F
GRD03KTS0 Tourmaline Tourmaline var. Foitite Madagascar 0 Vaughan 146, 40 F
GRD03O0S0 Tourmaline Tourmaline var. Rubellite with Lepidolite California 0 Ritter 154, 5 A
GRD03OCS0 Tourmaline Tourmaline var. Hexagonite New York 0 Ritter 154, 5 A