certificate jewelry, Synthetic Ruby

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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, Opal

Opal

opal is a hydrated amorphous form of silica. because of its amorphous character, it is classed as a mineraloid, unlike crystalline forms of silica, which are classify as minerals.

certificate jewelry, Howlite

Howlite

Howlite is a borate mineral. This stone may be known as an imitation gemstone because it can be painted with different colors and looks like semi-precious gemstones such as turquoise and coral. Howlite is often inexpensive, but it has many features that make it a popular gemstone in jewelry.