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Grey ambergris slab seen from the side, a lighter on top for scale

Authentic Gray Ambergris Specimen

This grey ambergris, side view, with a lighter for scale, is genuine ambergris from my own photos at Ambergris Canada. I'm Nabil Valiulla, and I've assessed 4,678 specimens since 2004. If you've found something similar, anywhere in the world, send me photos and I'll help you identify and value it for free.

Piece
Grey ambergris
Notes
Side view, with a lighter for scale
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What does other real ambergris look like?

White ambergris on a kitchen scale reading 1124 g
White ambergris1.12 kg, chalky white with a brown patchView photo
Large dark ambergris on a scale reading 7736 g
Dark ambergrisA 7.74 kg dark boulder, waxy skinView photo
Light ambergris with a cut face showing round inclusions, a lighter for scale
Light ambergrisCut open to show its round inclusionsView photo
Grey ambergris with concentric rings on a scale reading 11.463 kg
Grey ringed ambergris11.46 kg, covered in concentric ring patternsView photo
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Nabil Valiulla, founder of Ambergris Canada
Nabil Valiulla@gris.whisperer

Most of what washes up is driftwood and stone. I post the pieces that aren't, and how I tell them apart.

Nabil Valiulla searching among shore boulders at low tide
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