「Big」- 72.3カラット - ナチュラルブラックオパール 木の化石 - マルチカラー- 14.46 g

本日、私の私的コレクションから直接お届けします：
Usually the average weight of these opals varies from 1 to 50 ct, this piece weighs 72.3 ct, therefore 14.6 grams of Indonesian black opal.
A great peculiarity is its beautiful branch.
The value of these opals is usually calculated per carat, small pieces are worth from 1 euro to 5 euros per carat.
Today on offer with reserve price at a special price.

Natural Black Opal
Indonesian, Banten
Wood Fossil
volcanic origin
Miocene, Aquitanian ( 22 million years ago )

Multicolor, Flash fire
72.3 cts - 14.46 grams
41 x 36 x 14 mm

Usually the average weight of these opals varies from 5 to 70 ct, this piece weighs 72.3 ct.
A great peculiarity is its beautiful branch.

Today on offer with reserve price at a special price.


these pieces come from the petrified forests of Banten, Indonesia, in some rare cases, the opal which is born as liquid silica, infiltrates inside and outside the branches, so after millions of years an opalized fossil is born, a rarity , a true jewel of nature

These pieces are found, cleaned of impurities and then a light resin is applied to preserve the piece, because it is of volcanic origin.

the piece for sale is what you see in photos!
please be careful with the description and measures

Shipping via express courier