GEOLOGICAL SPECIMENS ROCKS SCALE OF HARDNESS

• EN1980-01

This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate ,Penny, Glass Plates, Nail and specimens 1" X 1 1/2" number coded.

RECENT CHANGES TO THIS KIT
Removal of Talc.
Because hardness is a technical process there is no replacement for the TALC in this kit.

Contents:
Graphite pure-Michigan/Sri Lanka
Gypsum – Alabaster/CO/SED
Calcite Cleavable – Mexico/CO
Fluorite Cleavable – Mexico
Apatite Massive – Brown/Green – UT
Pink Orthoclase Feldspar – CO/WY
QUARTZ MILKY – CO
BERYL – NC
CORUNDUM-MASSIVE/CRYSTAL – INDIA
Label, numbers/letters, box and cover, 12 cell tray, white streak plate, glass plate & penny