Chalcedony var. Buhrstone
![](/assets/images/timthumb/timthumb.php?1717519589&w=800&h=&src=/assets/images/collection/114/gm856.jpg)
Description:
White mass with iron stain, a small area of drusy quartz. Specimen was collected from an unnamed corundum mine.
- Chemical Composition: Tectosilicate
- Collection: Geology Collection
- Object Name: Quartz
- Object Id: GM856
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