Hornblende (Amphibole Mineral) Specimen - Hand Sample - Approx. 3" ag sci and simple machines in a

and simple machines in a storage case

this spirometer data-logging sensor reads airflow through an integrated tube and calculates lung volume in liters across ±10 L/s of breath flow

Tamper-evident seal that distorts under stretch on these transparent 12 by 16 inch cash deposit bags

Illuminated three-body orbital model of the Sun

Ball-bearing-mounted 7

Hornblende (Amphibole Mineral) Specimen - Hand Sample - Approx. 3" ag sci and simple machines in aHornblende sample approximately 3" in size Useful for students to study as an example of two plane, non perpendicular cleavage Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Ideal for use in lessons on Bowen's reaction series Specimen comes in clear labeled and barcoded bag for ideal storage Hornblende is part of a group of minerals known as amphiboles.