Dragon Stone
Septaria egg of Madagascar
It's huge!
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 OSM62: Weight: 7.7kg - Height: 23/24cm It's huge!
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
Manuel d'Anatomie descriptive du corps humain - Atlas
Anatomical Atlas - Manual of Descriptive Anatomy of the Human Body
In quarto
By Dr Cloquet - 1831 - IN COLOUR - Volume III only
Atlas consisting of 172 lithographed plates, most in colour
Binding very damaged, the leather has been torn from the boards, the first few leaves are fragile, even loose, but the rest is in good condition, the plates are very beautiful. see photos.
Attention this is Volume 2 of the Atlas, there are no plates from Volume 1 of the Atlas. The title pages at the beginning of the book are missing.
Dragon Stone
Septaria egg of Madagascar
Madagascar sawyer ammonite - Cleoniceras fern ammonite
Cleoniceras fern ammonite
100 million year old fossil
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
Anatomical chart by Ludovic Hirschfeld drawn by Léveillé
From Traité et iconographie du système nerveux et des organes des sens de l'homme avec leur mode de préparation
Published in 1866
Lithography
You buy 1 plate, not the whole set
Human jaws in porcelain mounted on a blackened wooden base
Anatomical dental model for dentists
19th century
Madagascar sawyer ammonite - Cleoniceras fern ammonite
Cleoniceras fern ammonite
100 million year old fossil
Entomological box: Beetles Goliathus meleagris from Congo
One with spread wings
19th century Herbalist's or Pharmacy crystal jar
Iris
Large Naturalist Magnifier
Species: Morpho Didius butterfly of Peru
Antique surgical board
From Benjamin Bell's Complete Course in Surgery, published in 1796
Ex-Voto heart in clay by Cuore di Argilla - Zodiac
Italy crafts
A contemporary reinterpretation of the traditional ex-voto, originally a votive offering made to a god in request of a grace or in thanks for a grace obtained after a vow.
There remains Sagittarius
Memento Mori sculpted from a deck of cards - Poker
Size M
RED color
Australian saltwater crocodile skull: Crocodylus porosus
Estuary crocodile
With its CITES permit
33cm
Can only be sold in the European Union- Shengen Area
Atlas of descriptive anatomy of the human body
Anatomy board
By Doctors Bonamy and Paul Broca
Draftsman: Emile BEAU
Published on July 1st 1854
Dragon Stone
Septaria egg of Madagascar
It's huge!
