mineral identification

It's quite similar to quartz, it kind of looks like salt crystals, it's greyish, all of them are almost triangular with sharp edges. it is on an glittery white gray stone with some lighter strips, around the crystals it is more white (maybe calcite?), like in an amethyst geode. I found it near...

Found in Sweetwater, TX

Discovered in Sweetwater, TX

Found in Sweetwater, TX

I have read as much as I could and looked at every image on the internet...and yet I'm still not confident if these are diamonds. Why? Because for every precious gemstone, there are 10 other stones that look exactly the same. 😂 I know kimberlite, blue ground, natural erosion of diamonds...

I dug these up in Sweetwater, TX.

I believe this is calcite, but just wanted to get other opinions. Milky white. Filling cracks in Mississippian (or maybe Pennsylvanian?) limestone in the Wasatch Mountains in Utah. That's my stubby toe in the second pic for scale. :) Thanks in advance!

black circles on blue

Not exactly sure if this is even what i think it is but if i believe to have found a specimen how do i go about getting it analyzed? Any info would be greatly appreciated and thankyou in advance for your time!

I think it is a mineral (if it is one)?? Can anyone help me out?? Thanks!! :icon_scratch:

I found this little guy while mining in Arkansas. This is the only one I found with this coloring. Has random black clouds in some but not all of the points.

I examined thru a magnifier and there wasn’t any signs of bubbles jus clear through

I hope than someone know something about this mineral of brown color. It is like a glass inside with strange circular structure. Thank you. Mike

What is it? It looks like it has pieces of multiple minerals. There's a section with crystals, looks like maybe some pyrite, some parts look oily, very few dark blue specs, a section that looks like hematite or jasper. I'll try to clearer photos another day because my phone camera can't quite...

Is this red and green rock some kind of jasper? scratches glass.

Mostly opaque but translucent on the very edges of the green part. The beige part scratches glass but the green part does not.

SOLVED euchroite? green quartz?? What is it? More minerals/ gems from the box of random rocks I found in my basement. Blue-green, translucent, scratches glass. I don't have any background in this but I'm trying my best with the materials I have.

UPDATED WITH CORRECT PHOTO!! Blue and gray with gold flakes. What is this??

I don't know what this is and google is telling me it may be Chrysocolla. Is it? It's a turquoise green color

Are these pieces Jasper? If not, what are they?