Color zoning occurs during gem formation, when a crystal forms layers with slightly different chemical compositions. The resulting areas can show different colors. Although apatites can display pleochroism, the two colors this specimen displays are a result of color zoning. 1.01 cts, rectangular step cut, Brazil. © The Gem Trader. Used with permission.

Apatite - Natural, Faceted, Blue, 1.01 ct - International Gem Society

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Apatite – Natural, Faceted, Blue, 1.01 ct

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Apatite

Color zoning occurs during <a href="https://www.gemsociety.org/article/gem-formation/" data-wpel-link="internal" target="_blank">gem formation</a>, when a crystal forms layers with slightly different chemical compositions. The resulting areas can show different colors. Although <a href="https://www.gemsociety.org/article/apatite-jewelry-and-gemstone-information/" data-wpel-link="internal" target="_blank">apatites</a> can display pleochroism, the two colors this specimen displays are a result of color zoning. 1.01 cts, rectangular step cut, Brazil. © <a href="https://www.thegemtrader.com" data-wpel-link="external" target="_blank" rel="external noopener nofollow noreferrer">The Gem Trader</a>. Used with permission.

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Gemstone	Apatite
Natural or man made	Natural
Origin	Brazil
Carat Weight	1.01
Gem State	Faceted
Color	Blue, Colorless
Transparency	Transparent
Multi-color	Bi-color