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 OSM164: Weight: 2.65kg - Height: 16cm
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
Grey-Black patinated marble base for ball or sphere
Base - support
Diaphanization of Common mouse - Mus musculus
Biological preparation
The aim of diaphanization is to render the tissues transparent through a chemical process, and specific dyes are used to highlight the skeleton.
You can see the bones through the flesh!
Bat - Antique 19th-century double bronze desk inkwell
Art Nouveau
19th century pharmacy display blue jar
Blown glass
Antique bezoar - Antipoison - Antidote
Once sold by the apothecary, bezoar, also known as gallstone, was reputed to have the same anti-poison properties as the legendary unicorn's horn, hence its excessively high price, also due to its great rarity.
An important piece in a cabinet of curiosities
Sold alone - Without stand, sold separately
Hardnose shark jaw - Carcharhinus macloti
Approximately 33cm high and 35cm wide
Pre-CITES Convention Capture - Can only be sold in the European Union - Schengen space
It will be provided a document proving the anteriority of the catch pre-CITES convention
Natural Red Coral
Tubipora Musica
Sold with a CITES permit valid for the European Union - Schengen area
Cannot be sold outside the European Union
De l'Homme et de la Femme (Of Man and Woman)
By M. de Lignac - Volume 3
Anatomy of procreation - 1779
Engraved horse skull
Papuan handicraft
Origin: West Papua
Entomological box
Composition with 50 Butterflies
Dimensions: 26x39cm
Memento Mori sculpted from a deck of cards - Poker
Size M
BLUE color
Entomological box containing a beetle
Species: Heliocopris dominus
Shark tooth fossil
Otodus Obliquus dating from the Ypresian: 50 million years ago
Entomological composition of beetles
27 specimens make up this picture
Black entomological box with gold fillet, hand-crafted by an bookbinder craftsman in Anjou
Engraved swordfish rostrum from Borneo - Indonesia
XL Size - Dimensions with base: H99cm
Dragon Stone
Septaria egg of Madagascar
