Biotite Gneiss Specimen Pack Size:Pack of 6 Needle valve and flame stabilizer

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on LPG or butane for small-flame work

conventionally standing in for metals at four-bonded centers in ball-and-stick molecular model kits

Used to give student-built circuits an audible signal of completion

sized for scooping and transferring powder reagents at analytical balance stations

) : 2 kgAccessories : Conductivity Cell

Biotite Gneiss Specimen Pack Size:Pack of 6 Needle valve and flame stabilizerAlternating light and dark mineral bands demonstrate the classic gneissic texture, with biotite producing the dark foliation during regional metamorphism.