About the product:

🪨 Type/ Name: Fossilized sea urchin also called 'fossil echinoid'

🌍 ⛏️ Origin: France (Yvelines 78)

📐 Dimensions: 16 millimeters in diameter x 10 in height

⚖️ Weight in grams : 2.4 grams

✨ Finish: natural raw

🔬 Treatment: None

🎁 Comes with a Gem and Zen certificate, ideal for giving as a gift or treating yourself!

✦ Uses:

Ornamentation : Decorations, collectibles.

Scientific / Educational : For study.

📋 Mineralogical sheet:

Appearance	Fossil sea urchin “Mepygurus depressus”

Category

Fossil / Marine Echinoderm

Geological age

Devonian (~390 – 360 million years ago)

Chemical composition

Mainly calcium carbonate (CaCO₃), sometimes replaced by calcite, silica or pyrite during fossilization

Crystal system

Rhombohedral (calcite)

Hardness (Mohs)

3 – 4

Density

2.6 – 2.9

Color

Beige, brown, gray, black, depending on mineralization

Glow	Matte to satin

Transparency

Opaque

Special feature

Flattened, pentamerous sea urchin fossil, sometimes with details of plates and tubercles; representative of ancient echinoids

Main deposits

Europe (Belgium, Germany), Morocco

Discovery / History

Species studied in paleontology to understand the evolution of echinoderms; fossil appreciated by collectors

Use	Collection, decoration, lithotherapy, scientific study

Virtues (lithotherapy)

Grounding, protection, emotional stability; helps integrate experience and harmonize energies

Associated Chakras

Root (anchoring), Solar Plexus (stability and inner strength)

Astrological signs

Capricorn, Pisces, Cancer

Purification

Distilled water, gentle fumigation (sage, incense)

Recharging

Moonlight, quartz geode

Short story

“Mepygurus depressus” is an emblematic fossil sea urchin from the Devonian , a symbol of protection, balance and memory of ancient marine life .