GEMSTONES

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: Most gems can be cleaned with mild soap and water. However, porous stones like Opal and Pearl require specialized care to avoid damage. Gemstone Buying Guide - Gemfields

: Beginners can start by observing luster , transparency , and hardness .

: These include Diamond , Ruby , Sapphire , and Emerald .

: A broad category for all other stones, including Amethyst , Topaz , and Opal . Organic Gems : Non-minerals like Amber , Pearl , and Jet . The "4 Cs" of Gemstone Value

Gemstone Buying Guide - The National Association of Jewellers

While the 4 Cs are famously used for diamonds, they apply differently to colored stones where is the most critical factor.

: The presence of internal "inclusions" or surface blemishes. In colored gems, some inclusions are expected and can even help identify the stone.

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GEMSTONES

Gemstones -

: Most gems can be cleaned with mild soap and water. However, porous stones like Opal and Pearl require specialized care to avoid damage. Gemstone Buying Guide - Gemfields

: Beginners can start by observing luster , transparency , and hardness . GEMSTONES

: These include Diamond , Ruby , Sapphire , and Emerald . : Most gems can be cleaned with mild soap and water

: A broad category for all other stones, including Amethyst , Topaz , and Opal . Organic Gems : Non-minerals like Amber , Pearl , and Jet . The "4 Cs" of Gemstone Value : These include Diamond , Ruby , Sapphire , and Emerald

Gemstone Buying Guide - The National Association of Jewellers

While the 4 Cs are famously used for diamonds, they apply differently to colored stones where is the most critical factor.

: The presence of internal "inclusions" or surface blemishes. In colored gems, some inclusions are expected and can even help identify the stone.