BY CHISOM IBEMERE
Blueschist is a metamorphic rock formed as a result of tectonic activity and high pressure and low-temperature conditions. It was first identified and named in the 19th century by geologists.
Blueschist can be found in various locations across the the globe including California, China, Japan, New Zealand, and the Alps. It is often associated with subduction zones where tectonic plates collide and produce high-pressure and low-temperature conditions.
Blueschist is mostly used as decorative building material due to its unique blue coloration and unusual texture. It is also used in architectural designs, as well as in landscaping projects. Some collectors view blueschist as a valuable and rare geological specimen.
Blueschist is characterized by its blue color, compactness, and the presence of minerals such as glaucophane, lawsonite, and albite. It has a hardness of 6-7 on the Mohs scale and a specific gravity of 2.8-3.3. Blueschist can be identified by its characteristic blue-green color, compactness, and often has a smooth and polished texture.
Blueschist is known as a rare and valuable geological specimen due to its uniqueness and rarity. Its value can vary depending on factors such as its size, color, and location. It is often sought after by collectors, geologists, and individuals interested in unique geological specimens. The global value of blueschist can fluctuate depending on supply and demand, availability, and market trends.