Microcline feldspar sample approximately 1" (3cm) in size
Microcline is useful for teaching a variety of mineral properties - especially hardness, cleavage, and crystallization temperature
Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements
Differing colors among samples offer a visual demonstration of chemical variation
Specimen comes in clear labeled and barcoded bag for ideal storage
وصف
One of the most common minerals in the earth's crust, feldspar has a variety of physical properties that make it a quintessential mineral to study. Feldspar has a well-defined hardness of 6 on the Mohs scale, distinctly shows two planes of cleavage, and is part of Bowen's reaction series. This sample is also available in packs of 12.