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 OSM55: Weight: 4.1kg - Height: 20cm
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
Shark tooth fossil
Otodus Obliquus dating from the Ypresian: 50 million years ago
Entomological frame - Scarab Goliathus meleagris female with spread wings
Antique surgical board
From Benjamin Bell's Complete Course in Surgery, published in 1796
Entomological shattering at La Beauchêne under glass case
Chrysochroa buqueti - the jewel beetle
The red speckled jewel beetle
By La Thanatothèque
Shark tooth fossil
Otodus Obliquus dating from the Ypresian: 50 million years ago
184: Helleborus orientalis - Lenten Rose
Real framed and calligraphed Herbarium
Megalodon tooth fossil - Otodus megalodon
11.8cm
Indonesia
Fossil shark tooth
Naturalist Magnifier: caligo atreus
Leaves butterflies under oval glass bell - Kallima Inachus
Cours d'opérations de chirurgie, démontrées au Jardin Royal
Course of surgical operations, demonstrated in the Royal Garden
Published in 1751 in Paris, by d'Houry, sole printer and bookseller to Monseigneur le Duc d'Orléans
Fourth edition
Illustrated with numerous plates and engravings in the text, including the famous plate of Poor Malabou and her scrotal elephantiasis on page 112/113, which the author mentions on page 373.
Wall decoration of Pompeii - Herculaneum mosaics: Chromolithographic plate
By Wilhelm Zahn
Published between 1832 and 1849
YOU ARE PURCHASING 1 SINGLE BOARD - NOT THE BOOK OR THE SET OF BOARDS
Brown lace sea fan on a base
Brown Whip Coral
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
Flight of butterflies: Heliconius family under glass dome
Dragon Stone
Septaria egg of Madagascar
