Dragon Stone
Septaria egg of Madagascar
Septaria Madagascar egg
Also known as Dragon Stone
Septaria is a stone composed of a mixture of yellow calcite and sandstone, found mainly on the island of Madagascar, characterized by highly visible shrinkage cracks. These highly visible cracks, known as Septa, fill with minerals over time.
When the stone is polished, these cracks stand out, giving it a dragon's egg appearance on the outside.
With time, tectonic movements, etc., the nodules can be fractured and new mineral solutions can invade the shrinkage cracks, often calcite.
In our case, Septaria has been polished into an egg shape and the interior has been invaded by a very fine crystallization of calcite. Beautiful crystals.
It's also easy to see why it's called Dragon's Stone: the exterior is very similar to a dragon's egg!
Sold without base
Ref OSM171: Weight: 1.9kg - Height: 14cm
Sold without the base
You can find available bases by typing ball base or egg base in the site search.
High base specially designed to hold a ball or egg
Perfect for ostrich eggs
Not suitable for emu, rhea or swan eggs, for example
Wooden base for ball or sphere - Base - support
Madagascar sawyer ammonite - Cleoniceras fern ammonite
Cleoniceras fern ammonite
100 million year old fossil
Entomological frame - Scarab Goliathus meleagris female with spread wings
Madagascar sawyer ammonite - Cleoniceras fern ammonite
Cleoniceras fern ammonite
100 million year old fossil
Madagascar sawyer ammonite - Cleoniceras fern ammonite
Cleoniceras fern ammonite
100 million year old fossil
Australian saltwater crocodile skull: Crocodylus porosus
Estuary crocodile
With its CITES permit
31cm
Can only be sold in the European Union- Shengen Area
Antique surgical board
From Benjamin Bell's Complete Course in Surgery, published in 1796
Flame gorgon - Red Whip Coral on pedestal - Ellisella grandis from Indonesia
Atlas of descriptive anatomy of the human body
Anatomy board
By Doctors Bonamy and Paul Broca
Draftsman: Emile BEAU
Published on July 1st 1854
Shark tooth fossil
Otodus Obliquus dating from the Ypresian: 50 million years ago
Natural Red Coral
Tubipora Musica
Sold with a CITES permit valid for the European Union - Shengen area
Cannot be sold outside the European Union
19th century pharmacy display jar
Blown red glass
Pharmacopée royale galénique et chymique - 1753
Antique and Illustrated Pharmacopoeia
By Moyse CHARAS
This book contains all the plants, minerals and animals that went to make up the remedies used in those days. Some of them are quite surprising to our modern eyes.
Shark tooth fossil
Otodus Obliquus dating from the Ypresian: 50 million years ago
Madagascar sawyer ammonite - Cleoniceras fern ammonite
Cleoniceras fern ammonite
100 million year old fossil
Dragon Stone
Septaria egg of Madagascar
