Indonesian purple grape chalcedony - 15g | PCGRAP-10

If you are looking for a rare and unusual mineral to add to your collection and join your other wonders, here is our selection of botryoidal or grape chalcedony, mistakenly called grape agate (no, it is not an agate at all!).

Originating from the island of Sulawesi, Indonesia, botryoidal chalcedony is formed of quartz crystallites that strangely resemble a bunch of grapes. Primarily purple with some light to very dark shades for the rarest ones, white, gray, or green botryoidal chalcedony can also be found.

Characteristics of botryoidal chalcedony:

• Length: 5cm
• Width: 2.5cm
• Height: 2cm
• Weight: 15g
• Hardness of chalcedony: 6.5 to 7 on the Mohs scale
• Variety of chalcedony in the form of quartz microcrystals

Aspects of grape chalcedony:

15g botryoidal or grape chalcedony formed of quartz microcrystals ranging from 3mm to 5mm on average, present over the entire surface of the stone. Unfortunately, some crystals are broken on part of the stone. Regarding color, the grape chalcedony is purple on one side, and a pale purple-green blend on the other. A base will be offered with our stone for you to display it as you wish.

Note: Particular care has been taken to best respect the natural colors of the minerals offered to you. Photos are taken under the best conditions and slightly retouched to best resemble the original stone. However, there may be slight contrasts due to the different screens used and their brightness.