Hornblende (Amphibole Mineral) Specimen - Hand Sample - Approx. 3" ag sci Illuminated three-body orbital model of

Illuminated three-body orbital model of the Sun

Ball-bearing-mounted 7

free of magnetic-core saturation effects for AC circuit

Used as the red-rail counterpart to the 750mm black 2mm lead

Hornblende (Amphibole Mineral) Specimen - Hand Sample - Approx. 3" ag sci Illuminated three-body orbital model ofHornblende 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.