Celestine geode

From collection Minéraux 1 by Robelin jean pierre

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Details

Mineral name

Celestine

Description

This specimen is a celestine geode, characterized by a central cavity filled with numerous well-developed crystals. The crystals display a distinct pale blue to medium blue hue, which is the signature color for this mineral species. The crystal morphology is primarily prismatic to tabular, consistent with the orthorhombic crystal system. The individual crystals are translucent to transparent in thinner sections and exhibit a glass-like vitreous luster on their flat, reflective faces. The crystals are anchored within a light gray, textured sedimentary matrix that forms the outer shell of the geode. The boundary between the matrix and the crystal growth is clearly defined. The specimen appears to be in its natural state, showing no signs of mechanical damage, polishing, or artificial coloring. The overall shape is irregular and bulbous, typical of nodular formations found in sedimentary deposits.

Chemical formula

SrSO4

Main color

Blue

Hardness

3.50 Mohs

Length

120.00 mm

Width

150.00 mm

Height

180.00 mm