Introductory Earth Science Collection Basic unit of 75 rocks and minerals demonstrates major rock-forming minerals, the scale of hardness and recognized physical properties. Unit includes 75 specimen...
Basic unit of 75 rocks and minerals demonstrates major rock-forming minerals, the scale of hardness and recognized physical properties. Unit includes 75 specimens, each size 1-1/4” x 3/4", a streak plate, magnet magnifier and compartmented container. Teacher Edition specimens are 3” x 3”.
Basic unit of 75 rocks and minerals demonstrates major rock-forming minerals, the scale of hardness and recognized physical properties. Unit includes 75 specimens, each size 1-1/4” x 3/4", a streak plate, magnet magnifier and compartmented container. Teacher Edition specimens are 3” x 3”.
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