SOLD | Kristallquarzkugel | Brasilien gold fossil formed by the penetration

fossil formed by the penetration of minerals into cavities between and within cells of natural wood

recurved spines

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providing insight into the diverse and thriving ecosystems of that time

Origin: Tunisia

SOLD | Kristallquarzkugel | Brasilien gold fossil formed by the penetrationOrigin: Brazil Size: D38cm Description: Cut and polished sphere to reveal the internal structure of this beautiful quartz formation, can be lightened from below. Additional Information: Quartz, a common mineral composed primarily of silica or silicon dioxide (SiO2). Minor impurities such as lithium, sodium, potassium and titanium may be present. Quartz has attracted attention since the earliest times; Water clear crystals were known to the ancient