Ward's® Mineral Research Grade Collection
: Avantor
Ward's® highest quality and purest mineral offerings.
- Hand picked by Ward's Geology for purity
- Intended for microscopic study
- 10 gram packages
- Average grain size is 3.75 mm
- 85% purity rate
Ward's mineral research grade collection provides the highest quality and purest mineral offering. A Ward's Geologist hand selects 10 pure grams of material under the micropscope. The specimens are research grade quality to perform accurate experiments. They are also an excellent teaching tool to view microscopic mineralogical features.