Sedimentary+Rocks

+ward’ssciencewardsci.com800-962-2660 Shale Type: Sedimentary; clastic. Texture/Appearance: Very fine-grained (clay to silt-sized particles) grains not distinguishable to the naked eye. A relatively soft rock with fine laminae; may display carbona...

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wardsci.com 800-962-2660 Breccia Type: Sedimentary; clastic. Texture/Appearance: Coarse-grained, angular rock fragments cemented in a fine- to very fine-grained matrix. Clasts have sharp edges. Color: Variable. Mineralogy/Chemistry: Composition va...

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+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/o...

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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-gr...

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wardsci.com 800-962-2660 Dolostone Type: Sedimentary, chemical. Texture/Appearance: Fine to coarsely crystalline grain size; sugary (saccharoidal). May contain various fossil relicts, molds, and casts. Stratification absent or irregular. Color: Li...

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+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 redd...

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Page 1 Density Columns Recommended Grade Level(s): Appropriate for: Middle school and High school Time Requirements: Activity Time: 30 minutes Teaching Topics & Concepts: • Density, mass, separation methods, solubility, diffusion, immiscibility, h...

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wardsci.com 800-962-2660 Gypsum CaSO4 • 2H2O Crystallography: Monoclinic; 2/m. Crystals commonly simple in habit; tabular on {010}; diamond- shaped, with edges beveled by {120} and {111}. Twinning common on {100}. Also granular, massive. Physical ...

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wardsci.com 800-962-2660 Coal Type: Sedimentary; organic. Texture/Appearance: Peat is a brownish, matted variety of coal consisting of partly decomposed plant remains seen as visible vegetable matter. Lignite is a darker, more compact variety with...

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Working with Planaria © 2021 Ward’ s Science. All rights reserved. Rev. 2021 https://www.wardsci.com/store/ Page 2 Planaria are free-living aquatic flatworms known as Turbellarians, of the phylum Platyhelminthes (Greek for “flatworm”). Turbellaria...

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Page 1 Species: mexicanum Genus: Ambystoma Family: Ambystomatidae Order: Caudata Class: Amphibia Phylum: Chordata Kingdom: Animalia Conditions for Customer Ownership We are a USDA compliant facility and hold all necessary permits to transport our ...

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+ward’ssciencewardsci.com800-962-2660 Dolomite CaMg (CO₃)₂ Crystallography: Hexagonal-R; 3. Crystals usually unit rhombohedron, or a steep rhombohedron and base; faces often curved. Twinning common. Also coarse, granular, cleavable masses to fine-...

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ward’s sciencewardsci.com800-962-2660 Hematite Fe2 O Crystallography: Hexagonal -R; 32/m. Crystals thick to thin tabular on {0001}; more rarely rhombohe- dral. Also micaceous to platy, botryoidal to reniform, and commonly earthy. Physical Properti...

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Conditions for Customer Ownership We hold permits allowing us to transport these organisms. To access permit conditions, click here. Never purchase living specimens without having a disposition strategy in place. An end-user permit is required in ...

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Page 1 Mud Puppy Necturus Species: maculosus Genus: Necturus Family: Proteidae Order: Caudata Class: Amphibia Subphylum: Vertebrata Phylum: Chordata Kingdom: Animalia Conditions for Customer Ownership We hold permits allowing us to transport these...

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+ward’ssciencewardsci.com800-962-2660 Anorthosite Type: Igneous; intrusive. Texture/Appearance: Medium to coarse-grained, equigranular with elongated tabular plagioclase. Color: Dark gray to bluish-gray, sometimes lighter shades. Mineralogy/Chemis...

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