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Tridymite Dora Maira Massif Italy
Tridymite Mineral Rare Rock Specimen is a high silica mineral and it was a surprise to find it on Mars.
On Earth, tridymite is very rare and has been associated with high temperature melting of rocks around impact structures. Planar deformations have been found in this material. It is vitreous colorless and is among the best indicators of impact phenomena forming at about 750 tons per square inch.
Silica is a rock-forming chemical combining the elements silicon and oxygen, commonly seen on Earth as quartz. It is found in a great many other minerals, too.
About the specimen: Tridymite; Location: Dora Maira Massif, Monte Rosa, Western Alps, Italy.
Size: 20mm H x 16mm W x 8mm D
Ships with display case, information, tag, Certificate of Authenticity.
Stands and cube not included.
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