Orthopyroxene occurs as subhedral prismatic crystals, being 1.5 mm on average, commonly intergranular to the plagioclase. Small granular olivine crystals are disseminated in the rock.

The intermittence of solar energy resource in concentrated solar power (CSP) generation and solar drying applications can be mitigated by employing thermal energy storage materials. Natural rocks are ...

With increasing focus on clean energy, naturally occurring hydrogen in geological reservoirs represents a potentially attractive energy resource. Studies suggest that the quantity of recoverable ...