Jumping on the bandwagon, here are the 50 minerals from Chuck's list that I have seen (See Lounge of the Lab Lemming and others here, here and here). Like Dave, I would have added more of my own, but I am at work after all. On the other hand, California is a dream site for finding strange and exotic minerals, and I am adding three to my list: Serpentine (yes, chrysotile, but I like the greasy form), because it is the California State Rock (legislature was supposed to call it serpentinite, but didn't know any better); gold, because it is our state mineral for obvious reasons, and seeing it in the wild is always a memorable experience; and benitoite, because it is our state gemstone, and it is found in gem quality specimens pretty much at a single mine in in San Benito County. It is also one of the first minerals discovered that crystallizes in the ditrigonal dipyramidal class, making for some beautiful triangular crystals. It is my picture of the day...
As Chuck says:
Use bold to indicate minerals you’ve seen in the wild. Italics is for those seen in laboratories, museums, stores, or other non field locations. Ex pet nerds may use underlining to indicate those that they’ve grown with their own two hands. And I won’t bother with stuff you intend on seeing- if you didn’t want to see all these minerals yourself, you’d be spending your precious lunch hour on a physics or biomedical blog.
Andalucite
Apatite
Barite
Beryl
Biotite
Chromite
Chrysotile
Cordierite
Corundum
Diamond
Dolomite
Florencite
Galena
Garnet
Graphite
Gypsum
Halite
Hematite
Hornblende
Illite
Illmenite
Kaolinite
Kyanite
Lepidolite
Limonite
Magnetite
Molybdenite
Monazite
Nepheline
Olivine
Omphacite
Opal
Perovskite
Plagioclase
Pyrite
Quartz
Rutile
Sanidine
Sillimanite
Silver (native)
Sphalerite
Staurolite
Sulphur (native)
Talc
Tourmaline
Tremolite
Turquoise
Vermiculite
Willemite
Zeolite
Zircon
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