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2022 Shipping Schedule To Arrive the Week of Order Deadline of Check Date (Your order will arrive this week) (Order any time before this date) to arrive the week of April 4th order by March 11th ————— to arrive the week of April 11th order by Marc...

+ward’ssciencewardsci.com800-962-2660 Basalt Type: Igneous; extrusive/intrusive. Texture/Appearance: Fine-grained intergranular plagioclase, pyroxene, and oxides; may contain interstitial glass. Structure massive with some vacuoles occurring. Colo...

wardsci.com 800.962.2660 Developing a purchasing plan and rigorously following the plan when ordering the school’s chemical supply will help safety, prevent waste and save money. The following may help your school make chemical purchases efficient...

+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 par...

+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 metamorphi...

wardsci.com 800-962-2660 Serpentinite Type: Metamorphic; regional. Texture/Appearance: Fine to coarse-grained, lamellar or mesh-like; massive with frequent zonations and veins. Color: Dark green to black. Mineralogy/Chemistry: Ultramafic; composed...

+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...

wardsci.com 800-962-2660 Pegmatite Type: Igneous; intrusive. Texture/Appearance: Very coarse-grained, marked by intergrowth of large (up to 1 cm) crystals. In some instances, individual crystals may grow up to several feet. Color: Varies; mostly l...

+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...

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...

wardsci.com 800-962-2660 Peridotite Type: Igneous; intrusive. Texture/Appearance: Medium to coarse-grained; massive, granular, sometimes porphyritic. Color: Medium gray to greenish-gray. Mineralogy/Chemistry: Ultramafic, with mafic minerals greate...

wardsci.com 800-962-2660 Marble Type: Metamorphic; regional and contact. Texture/Appearance: Fine to coarse-grained; granoblastic to saccharoidal. May appear patched or with streaks or banding that is deformed. Color: Variable, commonly white, pin...

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...

+ward’ssciencewardsci.com800-962-2660 Pumice Type: Igneous; extrusive (pyroclastic). Texture/Appearance: Glassy, vesicular, foamy, frothy. Very light-weight with numerous vacuoles (some varieties float in water). A natural glass froth in which the...

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/Ch...

+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...