You searched for: Specialty Rocks
Rock specimens are useful for studying textures, grain sizes, and other features altered by pressure, temperature, and other natural forces. Different select categories of rock specimens are available for purchase as well, including metamorphic, igneous, and sedimentary rocks. Sets of rock specimens are housed in compartmentalized collection boxes, with descriptions of each specimen printed for easy confirmation of identification. These rock specimens are carefully selected to be the highest quality to provide students with a suitable introduction to earth materials and their characteristics.
Ward's® Porphyry
Shows porphyritic texture in a fine dark matrix abundant large feldspar phenocrysts. Hand specimen.
Expand 1 Items
Ripple Marks
Clearly preserved ripple marks in bedded sedimentary rock. Average slab size: 6 x 8".
Expand 1 Items
Ward's® Mantle Xenolith
Glossy green dunite (olivine) inclusion in non-genetically related basalt. Average size: 3" x 4".
Expand 1 Items
Ward's® Fulgurite
Unusual glassy tubes of fused sand produced by lightning strikes in desert sediments. Average size: 1.5"- 2".
Expand 1 Items
Ward's® Stretch Pebble Conglomerate
Deformed pebbles in a metamorphased conglomerate. Large sawed and lacquered specimen.
Expand 1 Items
Ward's® Cross-bedded Sandstone
Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.
Expand 1 Items
Ward's® GEO-Logic Types of Fossilization Topic Set
Define and compare ways organisms have been preserved.
Expand 1 Items
Schist (Mica Garnet)
Silvery, paragranite and muscovite-rich with medium garnet crystals.
Expand 3 Items
Algal Stromatolite (Cynobacteria) (PreCambrian)
Beautifully polished and distinctive slabs or rare 2.3 billion year old fossil stromatolites. Well defined growth structures in matrix.
Expand 1 Items
Pocket Hardness Points Set
Students determine a mineral's hardness between five and 10 on Mohs' scale.