6PK Raw Gray Limestone, Sedimentary Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs 6 auspowers_batchone Fitting Size : 6mm Tube

Fitting Size : 6mm Tube OD x 6mm Tube Stem

Splicer/Union/Mender

Compatible with 2004-2020 Titan & Titan XD

Glass Tea Maker

Working voltage: DC12V

6PK Raw Gray Limestone, Sedimentary Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs 6 auspowers_batchone Fitting Size : 6mm Tube6PK Raw Gray Limestone, Sedimentary Rock Specimens Approx. 1" Geologist Selected & Hand Processed Great for Science Classrooms Class Pack Eisco Labs Raw Gray Limestone SpecimenSet of 6 Samples, 1"The massive, gray variety of limestone is often found deposited in marine environments. It is made up of organic material, primarily calcium carbonate. Excellent for demonstrating the tendency of calcium carbonate to effervesce in acid, and is perfect for