by Unknown User | Oct 8, 2019
GARNET in SCHIST OVERVIEW This is a photo of a small (~2mm) garnet (possibly almandine) found in a specimen of mica schist from the Black Hills. PHOTOGRAPHS Detail view. SPECIMEN Side 1 Side 2 Approximate Photo Location (Side 1) PHOTOGRAPH DETAILS Magnification: ~4.3X...
by Unknown User | Oct 8, 2019
PYRITE (CUBE) OVERVIEW This is a photo of a pyrite cube, possibly from Washington State. The side-lighting in the photo highlights the topographic-like striations on the surface, while the black areas are reflecting the camera lens/possibly the room (the shutter speed...
by Unknown User | Oct 8, 2019
PYRITE “SUN” OVERVIEW This is a photo of a pyrite “sun” from Illinois. The small disk-shaped specimen has a glittery surface and features radiating forms that look like sun rays. If you look closely at the detail view, you can see the reflection from what look to be...
by Unknown User | Oct 8, 2019
COPPER OVERVIEW This is a photo of a small piece of native copper from Michigan. The bare copper here is exposed, giving it a “new” reddish-orange appearance. This is probably the result of an aggressive cleaning, as typically these pieces have a patina...
by Unknown User | Oct 8, 2019
FLUORITE OVERVIEW This semi-transparent piece of fluorite has a deep purple color with a glassy surface, as shown in the lower right corner of the first image. The photo highlights the stepped growth of the cubic crystals. PHOTOGRAPHS Detail view. SPECIMEN Side 1 Side...
