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MINERAL HARDNESS KIT - $95 (FREDERICK)
condition:
like new
make / manufacturer:
MINERALAB
QR Code Link to This Post
New condition, never used.
INCLUDES:
Four double-ended picks, color-coded, with eight points comprising 2,3,4,5,6,7,8, and 9 on Mohs’ hardness scale.
A Glass Hardness Plate (hardness of about 5.5) which, when scratched, quickly distinguishes hard from soft minerals.
A 100 grit Grinding Stone to keep the points sharp.
Streak Plate for testing a mineral’s streak color.
Magnet to test magnetic rocks such as Magnetite, Pyrrhotite, and Nickel-Iron Meteorite.
An attractive, wooden storage case to 7.25" x 2.5" x 1.6".
Complete Instructions.