Topic · 3 articles

Gemology

Browse 3 articles about Gemology — clear, visual answers on colors, combinations, meanings and mixing from NW Redhead.

Gemology

What impurity makes Sapphire Blue?

The distinctive blue color of a sapphire is primarily caused by trace amounts of iron and titanium impurities within the corundum crystal structure. These elements absorb…

5 min read
Gemology

How does sapphire get its blue color?

Sapphire gets its stunning blue color primarily from trace amounts of iron and titanium impurities within the corundum mineral structure. These elements absorb specific wavelengths of…

5 min read
Gemology

What colors can diamonds be naturally?

Diamonds aren’t just colorless! Naturally occurring diamonds can exhibit a stunning spectrum of colors, from pale yellow to vibrant pink and even a rare blue. The…

5 min read