Corundum var. Sapphire - Zazafotsy Quarry, Ihosy Dist., Ihorombe, Madagascar More info: https://www.irocks.com/minerals/specimen/53350 This matrix specimen shows off a proudly displayed, well excavated crystal of sapphire from these famous sapphire and ruby mining areas of Madagascar. The crystal measures 2.5 x 2.5 xc 1.75 cm in size and has exceptionally high luster and purity of color. Paul chose this for his collection when they first came out, and had it prepped himself to his aesthetic stan

Understanding Aldehydes: Formaldehyde Structure & Industrial Uses Explained This instructional video delves into the organic chemistry of aldehydes, focusing on formaldehyde as a prime example. Learn about the chemical structure, bonding types, and molecular geometry of the aldehyde functional group. The video also highlights key industrial applications of formaldehyde, making complex concepts accessible for college students and chemistry enthusiasts. Perfect for STEM learners seeking a clear an

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