- Fossil type
- Natural ammonite fossil
- Origin
- China
- Treatment
- Untreated
- Form
- Polished whole specimen
- Size
- 44mm
- Weight
- 24.6g
- Hardness
- 3.5-4
Natural Ammonite 24.6g 44mm
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A well-preserved polished ammonite with a distinctive gear-like raised ridge around the umbilicus - a three-dimensional detail showing nodular preservation at the navel. Dark chocolate-brown shell with amber-brown suture patterning and a faint blue iridescence at the umbilical boss.
The raised umbilical rim gives this specimen a tactile physical texture distinct from flat-faced examples. Natural ammonite fossil from China, polished at 44mm.
Natural ammonite fossil from China - sold as a single specimen.
We ship worldwide from Sofia, Bulgaria. Every order is packed in a protective box with bubble wrap. Orders within Bulgaria are dispatched within 1-2 business days and international orders within 2-3 business days. Free shipping is applied automatically at checkout, and the threshold applies to the order value after any discounts.
Delivery within Bulgaria
- Delivered by Speedy, Econt or Box Now, to a courier office, a locker or your address.
- Fixed prices: Box Now locker €1.60 (free on orders from €25), Speedy office €3.20, Econt office or locker €4.00, Speedy to your address €4.50.
- Free shipping on orders over €50, with any courier and at any weight.
- Cash on delivery is available.
- Delivery normally takes 1-2 business days after dispatch.
- Hardness
- 3.5-4
- Cleavage
- None
- Durability
- Fair
- Soapy water
- Damp cloth
- Ultrasonic
- Avoid
- Steam
- Avoid
About ammonite
Ammonites are fossil shells of extinct sea animals related to today’s octopus and squid. Over millions of years the shell was replaced by minerals, often calcite, which is 3 to 4 on the Mohs scale.
Cleaning
Wipe it with a soft cloth dampened in lukewarm water and dry it at once. Do not soak it or leave it in water. Skip ultrasonic and steam cleaners: the fossil is soft and can crack along its chamber walls. Keep it away from acids, even lemon juice and vinegar, which dissolve its minerals.
Wear and storage
Display it on a stand or a soft cloth so it cannot roll or knock against harder stones, and store it wrapped in a soft cloth. Below 7 on the Mohs scale, it can be scratched even by household dust, which contains quartz, so dust it gently.
Scale
True to scale: 44 mm
Shown next to a €1 coin (23.25 mm) in the exact ratio, so you can picture the real size. The outline is approximate.
