Vivianite crystal in rock 248g from Brazil
Vivianite crystal in rock 248g from Brazil
- Availability On stock
- Code G8679
- Guarantee 24 months
Description
- type of stone: vivianite
- greenish blue crystal
- origin: Brazil
- unique crystal in extra quality
- weight: 248g
- size: 107 x 72 x 35mm (length x width x thickness)
- the price shown is for 1 pc vivianite crystal
Vivianite crystals in the host rock are a fascinating example of a natural mineralization process. Vivianite, an iron phosphate, is often found in iron-rich sedimentary rocks such as clays, sands, and fossil bones. In the parent rock, vivianite forms beautiful, well-developed crystals that can be colorless to light blue, but gradually change color to dark blue to green-black when exposed to light and air. This oxidation process is characteristic of vivianite and gives the crystals their unique appearance.
Vivianite in the host rock is valued not only for its aesthetic value, but also for its geological significance, providing valuable information about the environmental conditions in which it was formed. This combination of beauty and scientific importance makes vivianite a sought-after mineral in its host rock for collectors and geologists.
