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certificate jewelry, Yellow Sapphire

Yellow Sapphire

yellow sapphire is a gem of the corundum family and is a twin of ruby and blue sapphire. it is available in yellow, golden and orange colors. the highest quality is known to be of lemon-yellow color. the color in yellow sapphire is of iron and titanium.

certificate jewelry, Magnetic Stone

Magnetic Stone

The mineral magnetite is iron oxide (Fe3O4), which is found in all three igneous, metamorphic and sedimentary rocks. This stone is often extracted from iron ore. Magnetite is also a mineral with the highest amount of iron (72.4%).

certificate jewelry, Peridot

Peridot

peridot is gem-quality olivine and a silicate mineral. its green color is affiliate on the iron contents within the structure of the gem. the molecular structure of peridot consist of isomorphic olivine, silicate, magnesium and iron in an orthorhombic crystal system.