Astro West Fine Minerals

Ammonite Fossil on Matrix // Double Sided // 329.87 Grams


This species of Dactylioceras ammonite (Dactylioceras commune) from the Lower Jurassic period is found near Whitby, Yorkshire, England in concretions that must be broken open to reveal the approximately 180 million year old Orthoceras fossils inside. This set includes a positive Dactylioceras commune ammonite fossil on matrix and its negative impression in the concretion in which it was discovered. The pieces fit together.

Dimensions: 2-5/8"L  x 2"W x 1/2"H (negative half); 2-5/8"L x 2-3/4"W x 1-1/2"H (positive half), Weight: 86.87 g (negative half); 243 g (positive half)

-Orders are processed within two business days of being placed online unless otherwise specified on the product detail page
-If the order is Priority Mail Express and is received before 2pm it will be sent out that same business day unless otherwise specified on the product detail page
-If standard or Priority Shipping is selected and the item must be received promptly, please call us at 646-781-9377 or email us at

- We believe you will be satisfied with your purchase or we’ll refund your purchase price in full upon safe return of the specimen in original condition within two weeks.
- If you are unsatisfied with your purchase let us know immediately so we can begin to resolve the issue as soon as possible.
- All refunds are processed within two weeks from the date when the specimen was received back. If it is a result of damage on arrival, refund may be delayed based on insurance claims.
- If your item arrives damaged, please contact us and we will resolve everything at your convenience. But DOA (Damage On Arrival) must be reported within one business day from the delivery date, no exceptions.
- All returned items must be sent back in original packaging accompanied by packing slip.

You may also like

Recently viewed