What is chrome mineral used for?
What is chrome mineral used for?
The chromium extracted from chromite is used in chrome plating and alloying for production of corrosion resistant superalloys, nichrome, and stainless steel. Chromium is used as a pigment for glass, glazes, and paint, and as an oxidizing agent for tanning leather. It is also sometimes used as a gemstone.
Where is chromite found in the Philippines?
Zambales
The Zambales ophiolite is the major source of chromite ore in the Philippines.
What Colour is chromite?
Chromite is the main source of the metal chromium, a metal used to induce hardness, toughness and chemical resistance in steel. It was named after its chemical composition, chromium oxide. The mineral is brownish to black in colour with a dark brown streak.
Is chromite a major mineral?
Cr2O3 or Fe Cr2O4. Chromite contains 68% Cr2O3 and 32% FeO with Cr : Fe ratio of about 1.8 : 1. Chromite is the only commercial source of chromium. It occurs as a primary mineral of ultrabasic igneous rocks and is normally associated with peridotite, pyroxenite, dunite and serpentinite.
What is the use of chromite in the Philippines?
Chromite also is classified among the key minerals for war purposes. Compounded with steel, it increases the hardness and tensile strength of that metal; and in this form is used in making projectiles, guns, ball-bearings, as well as safes, files, etc.
Is Philippines rich in mineral deposits?
The Philippines is the fifth most mineral-rich country in the world for gold, nickel, copper, and chromite. It is home to the largest copper-gold deposit in the world. About 30 million hectares of land areas in the Philippines is deemed as possible areas for metallic minerals.
Is chromite a metallic mineral?
chromite, relatively hard, metallic, black oxide mineral of chromium and iron (FeCr2O4) that is the chief commercial source of chromium.
