You Searched For: Sand, quartz

+ward’ssciencewardsci.com800-962-2660 Sandstone Type: Sedimentary; clastic. Texture/Appearance: Grains generally sand-sized (1/16–2mm) normally sorted and somewhat rounded. May be poorly to well cemented. May also display visible fossils (not part...

+ward’ssciencewardsci.com800-962-2660 Quartzite Type: Metamorphic; regional. Texture/Appearance: Massive with generally small grain size; sometimes saccharoidal. Grain size (sand size 1/16-2mm) dependent on original detritus. Generally non-foliate...

+ward’ssciencewardsci.com800-962-2660 Siltstone Type: Sedimentary; clastic. Texture/Appearance: Silt-sized (<1/16 mm) to very fine sand-sized particles; massive not laminated (no bedding planes) may exhibit significant clay or sand. Color: Tan gra...

wardsci.com 800-962-2660 Graywacke Type: Sedimentary; clastic. Texture/Appearance: Generally coarse-grained with angular to sub-angular poorly sorted grains in a clayey matrix. May show graded bedding; fossils are rare. Color: Gray to greenish-gra...

+ward’ssciencewardsci.com800-962-2660 Conglomerate Type: Sedimentary; clastic. Texture/Appearance: Coarse-grained rock containing rounded to subangular clasts of greater than 2mm in diameter scattered in a finer-grained matrix of sand silt and/or ...

+ward’ssciencewardsci.com800-962-2660 Arkose Type: Sedimentary; clastic. Texture/Appearance: Usually coarse-grained sometimes with pebbles. Angular to subangular poorly to moderately well-sorted sand grains. No Fossils. Color: Gray pink or reddish...

Feel the heat Kindergarten: Temperature Probe Aligned with National Standards Call WARD’S at 1-800-962-2660 for Technical Assistance Page 2 This is a teacher-led whole class inquiry activity where students demonstrate and observe the effects of su...

wardsci.com 800-962-2660 Rhyolite Type: Igneous; extrusive. Texture/Appearance: Fine-grained cryptocrystalline (and glassy) to microcrystalline; often porphyritic. May show flow banding. Color: Light colored; pink gray and purple. Mineralogy/Chemi...

+ward’ssciencewardsci.com800-962-2660 Metaconglomerate Type: Metamorphic regional. Texture/Appearance: Coarse-grained rock containing rounded to subangular clasts greater than 2mm in diameter and distributed in a fine-grained matrix or metamorphic...

+ward’ssciencewardsci.com800-962-2660 Amphibolite Type: Metamorphic; regional. Texture/Appearance: Massive to foliated; gneissic to schistose. Color: Black to dark-green often speckled with white. Mineralogy/Chemistry: Mafic; composed primarily of...

+ward’ssciencewardsci.com800-962-2660 Obsidian Type: Igneous; extrusive Texture/Appearance: Glassy with rare microphenocrysts or spherulites; conchoidal fracture. Color: Shiny black to brown. Mineralogy/Chemistry: A natural glass or rhyolitic (fel...

+ward’ssciencewardsci.com800-962-2660 Schist Type: Metamorphic; regional. Texture/Appearance: Fine to coarse-grained strongly foliated. Granoblastic grading into porphyrob- lastic with mineral segregation banding usually present. Individual minera...

Description The Pall AcroPrep Advance 96-well Long Tip Filter Plate for Nucleic Acid Binding (Pall NAB plate) incorporates a silica-based quartz glass fiber media to allow for efficient binding of DNA and RNA while providing smooth flow and rapid ...

Application* Performance level Important information Rust Metal Particles Filler FFP1 Sanding Concrete Stone Cutting Cement Wood Steel FFP2 Drilling Paints/Varnish/Anti-rust coating FFP2 FFP3 When Chromates are present Steel Stainless Steel FFP3 A...

+ward’ssciencewardsci.com800-962-2660 Ilmenite Fe+2 Ti O3 Crystallography: Hexagonal-R; 3. Crystals usually thick tabular with prominent basal planes and small rhombohedral truncations. Commonly in thin plates massive or compact; also in grains or...

wardsci.com 800-962-2660 Anthracite Type: Metamorphic; regional. Texture/Appearance: Homogeneous shiny hard scaly and compact. Subconchoidal fractures; glassy looking. Color: Dark brown to black lustrous. Mineralogy/Chemistry: 92%–98% fixed carbon...