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The finest objects brought to you by {name}

Manuel Quiring

Chert with fossil crinoids stems. This unusual form of fossil preservation is a result of the original fossil being dissolved by groundwater percolating through the rock leaving the original sediment-filled hole in the centre of the stem intact.
These fossils resemble screws although they do not have a helical thread.  For this reason they were once known as 'screwstones'. 

Age: Lower Carboniferous, Missisipian
Locality: Ukraine, Donetsk, Komsomolske
Size: 113 x 107 x 69 mm
Weight: 816 g 

If you have bought several items, combined shipping is possible. Please contact me.

Carboniferous, Mississippian (358.9 - 323.2 million years) - Ukraine

Nicely detailed Sea Lily Stems - "screwstone" - Fossil matrix  (No Reserve Price)

Fossils

Reserve price

No reserve price

Buy now

Closing date

tomorrow

Friday

Wednesday

Thursday

Tuesday

Monday

20 December

Budget

From

Location

Spain

Italy

The Netherlands

France

Germany

Taiwan

Lithuania

United States

Hong Kong

Belgium

Poland

Romania

Portugal

Austria

Türkiye

United Kingdom

Sweden

Bulgaria

Greece

Dimensions

Height

Width

Depth

Object

Fossilised animal

Fossil tooth

Amber

Fossil teeth

Fossil matrix

Fossil skeleton

Fossilised shell

Fossil cabochon

Fossil plate matrix

Raw mineral

Metaphysical stones

Fossil fragment

Fossil skull

Carved mineral

Fossil mortality plate

Fossilised plant

Fossil vertebra bone

Fossil bone

Fossilised claw

Fossilised jaw

Fossil carapace

Earrings

Necklace

Necklace with pendant

Fossil mandible bone

Country of origin

Morocco

Madagascar

Indonesia

Asia

China

Lebanon

Brazil

Myanmar

Netherlands

North America

U.S.

Russia

Turkey

Baltic states

Canada

Africa

India

Material

Silver

Gold-plated

Gender

Women

Unisex

Condition

Natural

Restored

Enhanced

As new - unused

Reassembled

Excellent condition - barely used with minimal signs of wear

Manipulated

Composed

Reconstructed

Good condition

Good condition - used with small signs of aging & blemishes

Fair condition

Period

Cretaceous, Upper (100.5 - 66 million years)

Cretaceous (145 - 66 million years)

Neogene, Miocene (23.03 - 5.33 million years)

Quaternary, Pleistocene (2.58 - 0.0117 million years)

Paleogene, Eocene (56 - 33.9 million years)

Devonian (419.2 - 358.9 million years)

Neogene (23.03 - 2.58 million years)

Cretaceous, Lower (145 - 100.5 million years)

Triassic (251.9 - 201.3 million years)

Jurassic (201.3 - 145 million years)

Jurassic, Lower (201.3 - 174.1 million years)

Devonian, Middle (393.3 - 382.7 million years)

Ordovician (485.4 - 443.8 million years)

Jurassic, Upper (163.5 - 145 million years)

Jurassic, Middle (174.1 - 163.5 million years)

Cambrian (541 - 485.4 million years)

Triassic, Lower (251.9 - 247.2 million years)

Quaternary (2.58 - 0 million years)

Carboniferous (358.9 - 298.9 million years)

Silurian (443.8 - 419.2 million years)

Neogene, Pliocene (5.33 - 2.58 million years)

Triassic, Upper (237 - 201.3 million years)

Ordovician, Upper (458.4 - 443.8 million years)

Cenozoic (66 - 0 million years)

Paleogene, Paleocene (66 - 56 million years)

Stone

Coral

Natural Pearl

Pearl

Blood Coral

Carnelian

Certification

No laboratory report

Style

Ancient Egypt, Late Period

Baroque

Old European cut

Oval

Exact colour

White

Mineral

Labradorite

Amethyst

Malachite

Quartz

Mineral form

Freeform

Obelisk

Pyramid

Sphere

Pearl surface quality

Clean

Lightly spotted

Pearl luster

Good

Size on item

Adjustable

Extra large (19.5 - 20 cm)

Medium (17 - 18 cm)

After 2000

1900-2000

Before 1400

Treatment

Conserved

Polished

Composite

Specimen

Trilobite

Megalodon

Dinosaur

Ammonite

Mosasaur

Fish

Woolly Mammoth

Burmese amber

Fossil

Marine reptile

Spinosaur

Pterosaur

Fossils

This object is no longer available, but there’s still lots to explore

Nicely detailed Sea Lily Stems - "screwstone" - Fossil matrix (No Reserve Price)

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Fossils

This object is no longer available, but there’s still lots to explore

Nicely detailed Sea Lily Stems - "screwstone" - Fossil matrix (No Reserve Price)

Popular in Fossils

925 objects

Related collections