Coal containing a low percentage of volatile matter and having a high percentage of fixed carbon
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Tag: <span>A</span>
A variation from what is expected or normal, occurring outside of any pattern or prediction
Metal cast in a shape suitable for refining by electrolytic process
Annual financial statements issued by a corporation to its shareholders pertaining to the activity of the company for that year
Using determined heating and cooling points and times on a substance, material or alloy to achieve a desired increase in hardness or malleability
An orthorhombic mineral 4[CaCO3]; having acicular, pyramidal, tabular, reniform, columnar, or stalactitic habits; a precipitant formed from hot carbonated water in springs, cavities in basalt, or biologically in shells and pearls (mother of pearl)
A trigonal mineral of the dolomite group, Ca(Fe,Mg,Mn)(CO3)2
The smallest particle of an element in the composition of a molecule
Any cut gemstone en cabochon that displays a star-like appearance