Citrine 4mm Faceted Bicone - 15-16 Inch hubei turquoise creating a unique "marbled" look

creating a unique "marbled" look

as well as gray and white inclusions in marbled patterns

iron or manganese impurities within the stone

Phosphosiderite is a combination of phosphorus and iron

Blue Lace Agate is a naturally occuring soft blue agate

Citrine 4mm Faceted Bicone - 15-16 Inch hubei turquoise creating a unique "marbled" lookCitrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It may also contain rainbow to colored or sparkling inclusions. The name comes from the French word for lemon, citron. It was a prized gem in Greece as far back as 300 BCE.