US$ 110.00
) : 2 kgAccessories : Conductivity Cell
conventionally standing in for metals at four-bonded centers in ball-and-stick molecular model kits
Labeled on half of the discs with stamped element names
this low-resistance shunt diverts a precise fraction of circuit current around the meter so small signals stay within full-scale
Raw Peridotite Specimen
Biotite Gneiss Specimen Pack Size:Pack of 6 ) : 2 kgAccessories :Alternating light and dark mineral bands demonstrate the classic gneissic texture, with biotite producing the dark foliation during regional metamorphism.
US$ 110.00
US$ 108.00
US$ 29.00
US$ 185.00
US$ 20.00
US$ 17.00