diaspore

views updated May 08 2018

diaspore An aluminium hydrate α-AlO(OH), forming a continuous series with its polymorph boehmite γ-AlO(OH); sp. gr. 3.3–3.5; hardness 6.5–7.0; white; massive or foliaceous or as orthorhombic prismatic crystals; it is a constituent of bauxite and laterite deposits along with emery and corundum.

diaspore

views updated Jun 27 2018

diaspore A spore, seed, or other structure that functions in dispersal; a propagule.

diaspore

views updated Jun 11 2018

diaspore A spore, seed, or other structure that functions in dispersal; a propagule.