gemology

Dig it emerald typically refers to a rough or unpolished emerald that someone has unearthed, often through mining or casual prospecting. In practice, it can mean a raw emerald c...

Diamond shape dimensions describe the measurable proportions of a faceted diamond, including length, width, depth, and table percentage, which together determine face-up size, v...

The density of an emerald, expressed as specific gravity, typically ranges from approximately 2.67 to 2.78 grams per cubic centimeter (g/cm³) for clean, type III green beryl. T...

Ethiopian opal is a hydrated amorphous form of silica, typically containing 3 to 21 percent water by weight. It is known for its vibrant, neon-like color play and relatively lig...

Diamonds can crack or fracture when subjected to sudden, extreme impact or sustained pressure that exceeds their hardness limits, even though they are the hardest natural materi...

Emeralds are beryl colored green by chromium and, in some cases, vanadium; this green hue is the primary identifier used in gemology, retail, and culture. To be regarded as emer...

Kunzite is a pink to violet variety of spodumene, first described in 1902 and named after gemologist George Frederick Kunz. Its pastel to medium colors, often with strong pleoch...

Sterling opal and turquoise describe two distinct materials used in jewelry. Sterling opal refers to opal set in a base of sterling silver, combining the play of color of precio...