8.52ct Yellow Sapphire Crystal blue the opal appears to be

the opal appears to be transparent/yellowish with very little color showing

Not many places produce natural Ametrine (Amethyst & Citrine)

Measurement: 169mm x 76mm x 73mm

This big size trilobite will stand out in any mineral or fossil collection

8.52ct Yellow Sapphire Crystal blue the opal appears to beThis raw Sapphire crystal specimen has beautiful Crystal Structure and has an amazing vibrant yellow color. This vibrant yellow color came after the heat treatment and you can see what it originally looked like before heating in the photo below. Keep in mind, the crystals in the photo look much larger because of the camera and you should rely on the measurements in the description when considering size. This is a thumbnail (TN) sized mineral specimen.