This is a piece of natural, untreated gel richterite and Bustamite rough.  

505 carats (101 grams) - All natural and untreated

Features:

• Genuine, natural, untreated gel richterite & Bustamite rough stone

While we strive to present an accurate representation of the stone's appearance under indoor lighting, the hue will shift and reveal brighter (warmer) shades in natural light.