What's not to like about mineral specimens? They sparkle ... There's a single aquamarine in Marc's collection that, as a single crystal, is worth about $150,000; on a matrix, it would be worth ...

Cornwall's mining and mineral wealth triggered the development ... rich copper lodes in Gwennap so the Rashleigh collection is very rich in specimens from this area. His near complete, beautifully ...

THE geological survey of Canada, under the direction of Mr. Selwyn, F.R.S., has placed in the Philadelphia Exhibition a collection of minerals and rock specimens of much interest, as they very ...

And then Larson said his club just found a whole bunch of these, Schaut said. Wednesday, Larson brought a collection of about 100 minerals ... hundred botanical specimens for the national ...

And taking a close look at the atomic elements and structures present in minerals can account for their blue hues. The vibrant stripes on this mandarinfish specimen ... turn the whole cake blue ...