Science, Maths & Technology
Minerals and the crystalline state
...work through any activities that make use of it. Video 1 Introduction to the Digital Geology Kit. Question 1 Select the specimen 'Variety amethyst' from the 'Quartz' list of minerals in the Digital Geology Kit. How long is the amethyst crystal on the far left? Measure it using the graticule. Answer It is about 16 mm. Note that there are large divisions on the graticule...