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Esterel - La Vigne Thunderegg Agates

from the Esterel Plateau near Frejus, South of France

These thunderegg agates or Lithophysae are from the mountains in the far south of France – near Frejus, not that far from the French Riviera and Cannes. These are among the smallest (on average) thunderegg agates out there – and also incredibly beautiful. These stones are one of the most prized thunderegg agates there are and they are only getting rarer since the site where they are found has been closed (as so many of the best seem to be).  I was lucky enough to find a quite large unpolished stock of these eggs, as well as some individual specimens since then.  I hope that these will give some idea of the delicate and colourful beauty of these eggs.  These are not mighty display pieces, but tiny little miniatures with the beauty in the fine detail. 

The marriage of matrix and agate takes on a whole new meaning here, creating a melded whole that you can just dive into, finding continually smaller and smaller detail. And the smaller you look, the more the magic stands out. It is the intense and refined complexity of these eggs that really make them.  The agate is usually very finely banded and the stones frequently contain leveling lines and crystal of various types.  They are also prone to ‘onion ring’ formations, which, in thundereggs as a whole, is extremely rare.  Esterels are also highly prone to cracks and if you don't get on with cracks, then you will find this a very frustrating species of Thunderegg. And the cracks can be brutal – simply because of the delicacy of the agate they cut through. Cracks are cracks though, say I. They are a part of the thunderegg's 'life' and personally, I don't mind them much. Another curious feature of these eggs is their tendency to 'decayed holes' which appear to be caused by the weathering away of certain specific types of crystal, still present in a few specimens.

Finally, the Esterel thundereggs can do some interesting things under ultraviolet light. The florescence is very dim - at least under my not very powerful lamp - but can be very colourful with different patches of the egg showing different colours. It was very hard indeed but I did manage to capture an image of one of these. It required a bit of processing to tidy it up thanks to my not very high quality camera - but here it is:

Florescent Esterel Thunderegg

 

Beautiful Esterel La Vigne Thunderegg with Waterlines

Large Esterel La Vigne Thunderegg with Classic Small Core

Esterel La Vigne Thunderegg with Milky Agate

Esterel La Vigne Thunderegg with Amethyst

Green Esterel La Vigne Thunderegg

Esterel La Vigne Thunderegg with Decaying Calcite

Esterel La Vigne Thunderegg with Complex Core

Esterel La Vigne Thunderegg with Crystal Core

Esterel La Vigne Thunderegg with Onion Rings

Esterel La Vigne Thunderegg with Iridescent Blue Core

Esterel La Vigne Thunderegg with Atoll

Colourful Esterel La Vigne Thunderegg with Atoll

Esterel La Vigne Thunderegg with Red Core

Colourful Esterel La Vigne Thunderegg

A different kind of Esterel La Vigne Thunderegg with Opaque Agate

Esterel La Vigne Thunderegg with Solid Waterlines

Unusual Large Esterel La Vigne Thunderegg with Silicifeid Mud

Esterel La Vigne Thunderegg with Colourful Agate

Esterel La Vigne Thunderegg with Gentle Solid Agate

Complex Esterel La Vigne Thunderegg

Subtle Esterel La Vigne Thunderegg with Moss / Matrix

Subtle Pink Esterel La Vigne Thunderegg

Esterel La Vigne Thunderegg with Solid Agate Core

Esterel La Vigne Thunderegg with Thin Matrix Shell

Esterel La Vigne Thunderegg with Waterlines

Large Esterel La Vigne Thunderegg with Wide Banding

Esterel La Vigne Thunderegg with Fine Red band

Esterel La Vigne Thunderegg with Banded Agate Core

Esterel La Vigne Thunderegg with Bluish Agate

Esterel La Vigne Thunderegg with Soft Banding

Esterel La Vigne Thunderegg with Flaming Red Core

 

 

 

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