A device producing fine mist for the suppression of airborne dust
A device producing fine mist for the suppression of airborne dust
The number of protons in an atoms nucleus
The smallest particle of an element in the composition of a molecule
Any cut gemstone en cabochon that displays a star-like appearance
Any item or instrument from which a price or purpose may be assigned
The amount of work required to be performed, by law, in order to retain possession of mining rights
A test performed on a mineral sample to determine its composition
The inorganic byproduct of combustion
A silicate mineral whose thin, strong fibers separate readily. Used in heat resistance. Known for causing terminal respiratory illness
A steel-gray and brittle metal. Symbol, As. Highly poisonous