General Products
Geological Specimens "Rocks - Scale of Hardness"-USA
This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate ,Penny, Glass Plates, Nail and nine specimens 1" X 1 1/2" number coded.
There are NO asbestos forming minerals in this kit.
Geological Specimens "Rocks & Minerals"-USA
Designed for general classroom use, kit includes specimens in the following groups: igneous, sedimentary and metamorphic rocks, ores, gemstones and rock forming minerals. 50 specimens approximately1" x 1". Includes the Rocks and Minerals Study Guide.
Amphibolite excluded from this set - this mineral is an asbestos forming mineral.
Geological Specimens "Rocks Collection"-USA
45 specimens, approximately 1 1/2" x 1 1/2", includes 15 each of igneous, sedimentary and metamorphic rocks. Each category of rock is well represented and forms an integrated classroom study unit.
Size: 500 x 290 x 40mm (lxwxh)
Geological Specimens "Rocks in A Bag" Igneous Pk/6
The Igneous Rock Bag is an economy collection of 6 commonly known igneous rocks. Igneous rocks are formed by the cooling of molten rock, either magma or lava. Each generous specimen is 11/4" to 1 1/2" and is contained in a zip lock bag with a label.
PUMICE - DARK VOLCANIC APPEARANCE, VESICULAR ROUGH TEXTURE
OBSIDIAN - BLACK, GLASSY
RHYOLITE - LIGHT COLOURED, POSSIBLE BANDING
BASALT - DARK COLOURED, FINE GRAINED
GABBRO – DARK COLOURED, LARGE, EVIDENT CRYSTALS
GRANITE – SMALL, EVEN SIZED SPECKLES OF LIGHT AND DARK
*samples may change from time to time
Geological Specimens "Rocks in A Bag" Metamorphic Pk/6
The Metamorphic Rock Bag is an economy collection of 6 commonly known metamorphic rocks. Metamorphic rocks are formed by pressure and heat that may or may not be influenced by the introduction of chemically active solutions. Each generous specimen is 1 1/4" to 1 1/2" and is contained in a zip lock bag with a label.
PHYLLITE – REFLECTIVE SHEEN, USUALLY GREY BLACK OR GREENISH
GNEISS – BANDED APPEARANCE AND TEXTURE, USUALLY LIGHT IN COLOUR (CAN BE DARK), HAS RIBBONS OF DIFFERENT COLOURED MINERALS.
QUARTZITE – WHITE TO PALE GREY COLOUR, GRAINY SURFACE WITH SANDPAPER TEXURE
GREEN SCHIST – DARK OR LIGHT GREEN, EVEN TEXTURE ****some kits contain MARBLE instead of GREEN SCHIST
SLATE – DARK DULL LUSTRE, FINE GRAINED TEXTURE, SMOOTH
HORNFELS – (FINE) GRANULAR TEXUTRE, HARD, CONTAINS SMALL CRYSTALS
*samples may change from time to time
Geological Specimens "Rocks in A Bag" Sedimentary Pk/6
The Sedimentary Rock Bag is an economy collection of 6 commonly known sedimentary rocks. Sedimentary rocks are formed from preexisting rocks through the processes of erosion, followed by compaction or chemical precipitation. Each generous specimen is1 1/4" to 1 1/2" and is contained in an zip lock bag with a label.
SHALE – GRAY, FINE GRAINED, LAYERED
SANDSTONE – FINE TO COARSE SANDY TEXTURE
LIMESTONE – FINE GRAINED, GRAY/PINK COLOURED
CONGLOMERATE – GRAVEL SIZED PEBBLES EVIDENT
BRECCIA – COMPOSES BROKEN FRAGMENTS OF ROCKS CEMENTED TOGETHER
COAL - BROWNISH-BLACK
*samples may change from time to time