Septaria – Oujda, Morocco

Locality: Oujda, Morocco 
Weight: 135g 
Dimensions: 6,4 x 6,4 x 2,2 cm

Delivery to:
03/01/2025
In Stock
Code: SE025
$15,83 $13,08 excl. VAT
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Septaria are fascinating geological formations that are the result of specific processes in sediments. They are known for their characteristic structure, which includes cracks and cavities filled with various minerals.

Origin

Septaria are formed in sedimentary rocks, mainly in sedimentary soils or clays that have been exposed to long-term chemical and physical processes. These formations are formed during diagenetic processes, a process by which sediments turn into solid rocks. During this period, cracks or cavities are formed which are later filled with minerals.

Appearance and structure

Septaria have a very characteristic structure, consisting of cavities or fissures which are usually filled with calcite, quartz or other minerals. These cavities expand into polygonal segments, which is why they are sometimes called 'cellular stones'. These segments often look like a kind of "spider web" pattern, giving the septaria a unique appearance. The inside of these segments may be covered with shiny minerals, making septaria popular with collectors.

Colour

The colours of septaria can be very varied and depend on the minerals found in the cavities. The most common colours are yellow, brown, orange and grey, but in some cases they can also have green or black hues. The minerals that fill the cracks and cavities give each specimen a unique appearance.

Uses

Septaria are valued not only for their geological value but also for their aesthetics. Due to their unique texture and colors, they are often used in decorative items, such as statuettes, bracelets or beads. Their natural beauty is also used in mineral collections and for spiritual purposes.

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