You searched for: Research Minerals
Mineral specimens are cut in a variety of sizes to meet various user needs, with common uses including identification on the part of students, displays to be used during lectures and demonstrations, or as chips for convenient physical identification tests in labs. These mineral specimens also demonstrate a number of classic geological features, such as cleavage, and collections of minerals can be used to test the Mohs hardness of other minerals and compare them.
Ward's Science Essentials® Apatite
Supplier: Avantor
Apatite is a gemmy blue phosphate mineral, mohs hardness 5.
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Very High Resolution Gold (< 2nm - 30 nm) on Carbon Test, Electron Microscopy Sciences
Supplier: Electron Microscopy Sciences
For very high resolution performance testing this specimen has a smaller gold particle size ranging from 2 to 30 nm as compared to the high resolution test above. Ideal for testing at instrument magnifications of 50000x and above.