laumontite
laumontite Member of the zeolite group of minerals, CaAl2Si4O12.4H2O; sp. gr. 2.3; hardness 3.5; whitish; square prismatic crystals; occurs as a secondary mineral in veins and cavities within volcanic rocks and some associated mineral deposits, and may also occur within the zeolite facies of metamorphic rocks.
More From encyclopedia.com
Rock , rock1 / räk/ • n. 1. the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underly… Iron Ores , Rocks
Rocks are composed of minerals, which are natural inorganic (nonliving) substances with specific chemical compositions and structures. A rock m… Metamorphism , Metamorphism is the process by which the structure and mineral content of rocks transform in response to changes in temperature , pressure , fluid co… Hard Rock Cafe International Inc , Hard Rock Cafe International, Inc.
6100 Old Park Lane
Orlando, Florida 32835
U.S.A.
Telephone: (407) 445-7625
Fax: (407) 445-9709
Web site: http://ww… Rock salt , halite (rock salt) Mineral, NaCl; sp. gr. 2.2; hardness 2.5; cubic; perfect cubic cleavage; colourless, white, or shades of yellow, red, and blue; wh… Igneous Rocks , Igneous rocks are formed by the cooling and hardening of molten magma. The word igneous comes from the Latin word igneus, meaning fire, and there are…
You Might Also Like
NEARBY TERMS
laumontite