Specialty Rocks

67 results were found

Scoria

/www.wardsci.com/images/Scoria.pdf

wardsci.com 800-962-2660 Scoria Type: Igneous; extrusive (volcanic). Texture/Appearance: Fine-grained to glassy; highly vesicular (>50%). Usually heavier and more crystalline than pumice. Color: Dark reddish-brown to black. Mineralogy/Chemistry: B...

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Slate

/www.wardsci.com/images/Slate.pdf

wardsci.com 800-962-2660 Slate Type: Metamorphic; regional. Texture/Appearance: Fine-grained; lacks mineral segregation banding, displays rock cleavage in one direction. Surface may appear somewhat smooth and shiny. Color: Various, including dark ...

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Wards Planaria LMCS

/www.wardsci.com/images/Wards_Planaria_LMCS.pdf

Page 1 Planaria Brown, Black and White Brown Planaria Black Planaria White Planaria Species: dorotocephala gracilis fluviatilis Genus: Dugesia Phagocata Proctyla Family: Planariidae Planariidae Dendrocoelidae Order: Tricladida Tricladida Tricladid...

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