Sedimentary Rock Specimens

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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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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+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’ssciencewardsci.com800-962-2660 Gneiss Type: Metamorphic; regional. Texture/Appearance: Foliated, often with distinct banding (segregation) of minerals; some preferred orientation in micas (platy) or hornblende (prismatic crystals). Medium t...

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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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+ward’ssciencewardsci.com800-962-2660 Tuff Type: Igneous; extrusive (pyroclastic). Texture/Appearance: Clastic texture with angular rock and mineral fragments and lapilli mixed with fine-grained volcanic ash, partly cemented by sedimentary materia...

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Page 1 Lichens Conditions for Customer Ownership We are a USDA compliant facility and hold all necessary permits to transport our organisms. Each state is assisted by the USDA to determine which organisms can be transported across state lines. Som...

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Conditions for Customer Ownership (per USDA Permits) 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. In order to pro...

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Page 1 Small Toads Species: sp. (usually americanus) Genus: Bufo Family: Bufonidae Order: Anura Class: Amphibia Phylum: Chordata Kingdom: Animalia Conditions for Customer Ownership We are a USDA compliant facility and hold all necessary permits to...

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Page 1 White’s Tree Frog 470312-390 and 470312-402 Species: caerulea Genus: Litoria Family: Hylidae Order: Anura Class: Amphibia Phylum: Chordata Kingdom: Animalia Conditions for Customer Ownership We are a USDA compliant facility and hold all nec...

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Page 1 Yellow-Throated Plated Lizard Species: flavigularis Genus: Gerrhosaurus Family: Gerrhosauridae Order: Squamata Class: Reptilia Phylum: Chordata Kingdom: Animalia Conditions for Customer Ownership We hold permits allowing us to transport the...

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Page 1 Xenopus laevis African Clawed Frog Species: laevus Genus: Xenopus Family: Pipidae Order: Anura Class: Amphibia Phylum: Chordata Kingdom: Animalia Conditions for Customer Ownership We hold permits allowing us to transport these organisms. To...

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1 All About Elements: Fluorine http://wardsci.com https://wardsci.com/store wardsci.com | 800-962-2660 2 Ward’s All About Elements Series Building Real-World Connections to the Building Blocks of Chemistry The periodic table of elements is an esse...

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+ward’sscience 5100 West Henrietta Road • PO Box 92912 • Rochester, New York 14692-9012 • p: 800 962-2660 • wardsci.com Safety First! Using live organisms in the classroom truly excites and engages students of all ages. To ensure your students hav...

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+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-folia...

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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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