Rough Carnelian

Rough carnelian from Java, Indonesia, consists of uncut pieces in warm orange, orange-red and reddish-brown shades. The natural shapes and colour variations make this lot suitable for collectors, creative lapidary workers and hobbyists who want to grind or polish the stone themselves.

What is carnelian?

Carnelian belongs to the chalcedony family and consists mainly of microcrystalline quartz. Some pieces may show agate-like structures or colour banding. In its rough state, the outside is often more matte than after grinding or polishing.

Rough stones for collecting and lapidary work

Carnelian can be used as a rough collector’s stone, for decorative applications and for further processing into polished stones or other lapidary projects. With a hardness of around 6.5–7 Mohs, it is also a classic material for barrel tumbling.

Rough carnelian in a rock tumbler

Origin: Java, Indonesia

This batch comes from Java, Indonesia. We state the origin as specifically as possible because the source location is relevant product information for rough minerals and rocks. The photo shows a sample batch; you will receive similar natural material, not the exact stones shown.

What do you receive?

• A bag with approximately 1 kg of rough, uncut stones.
• Natural material with variations in colour, shape, matrix and fracture surfaces.
• A batch that may be suitable for collecting, decorative use and/or further lapidary work.
• Rough stones may contain dust or soil; this is normal for untreated natural material and can be removed with water.