While pearls are considered gemstones, they are not minerals but made of calcium carbonate by mollusks ... but actually a silicate formed by cesium, beryllium, lithium and aluminium.

President Donald Trump is angling for Ukraine's rare earths as a trade-off for support against Russia, proving that in the high-stakes game of war, even minerals can become the new currency of ...

U.S. President Donald Trump said on Monday he wanted Ukraine to supply the country with rare earths in return for financially ...

CALCIUM carbonate can exist in three polymorphic forms, which in the order of their usual stabilities are calcite, aragonite and vaterite. Calcite is the most stable and the least soluble ...

Change orientation to land scape to view the price table ...