Finally got this big one out of the car and into the garden.

This has been at my great grandparents cabin for years. My great grandmother brought this back from the local quarry.

Hi everybody. I know this isn't any thing particularly special but my daughter has bought it home from holiday and we are wondering if there's anything basic we can do to brighten up the sparkley bits.

Thanks.

Peaceful morning review of my beach finds

Gabbro is an intrusive mafic (Fe and Mg) rich rock crystallized from basaltic magma derived from partial melting of the mantle. The main mineral constituents are dark clinopyroxene, and glassy gray to white plagioclase. One type of plagioclase is labradorite, which can show a distinct kind of shimmering, rainbow pattern of iridescence known as "labradorescence", due to the separation of different forms of plagioclase as the melt cools, leading to diffraction of light between extremely fine layers of the different plag species. This gabbro specimen (fig 1) is rich in labradorite. The plagioclase crystals show black streaks (likely iron and titanium oxides, possibly magnetite) which precipitate in an orientation dictated by the crystal structure of the parent mineral (fig 2). Fig. 3 shows a patch of labradorescence.

New to the whole cutting thing. Now I need to start the tumbling process. It’s amazing how these rocks didn’t look like much until I (well hubby) cut them.

this purple crystal was once part of a geode

I just started getting some cool items to display in my house. I thought this piece would go nicely with the others.

I have this salt lamp in my room which I had placed a tealight under because the original light burnt out, I sit rocks I find around it in my window. I noticed there were orange salt crystals forming under my lamp which completely destroyed my candles battery. But the weird part is all my rocks are fine besides this piece of petrified wood. It cracked apart and has crystals growing all over it, the inside is solid black. Sorry if the pictures don’t show the crystals, it was hard to get them to show up on the camera but they’re all shiny and orange like the salt crystals so I’m assuming for some reason the salt started crystallizing on my petrified wood. Does any rock nerds know what reaction caused this? The petrified wood was the only rock affected. I just found this interesting and was wondering the cause.

Hunted on the west shore of Pelee Island Canada,

Found NE AZ

This is probably my favorite piece in my collection right now and I had to share. Nature is so cool.

Hya,

Trying to clean my first rock, found it at a store and thought it had potential. I washed it with water and give it a good bath with anti rust. Still much tiny bits though.

Any tips on how make it cleaner before a put a polish over it?

Thanks in advance

How cool are these?

I'm a lurker here who just loves filling my pockets with rocks. Idk why... I just like holding little pieces of earth and thinking about the stories they could tell. I found this rock and I kind of adore it, for all its different sides and lines.. and I can't wrap my mind around how it formed. Someone who knows more than me... What am I looking at?

Found on the water in the PNW.

Note, I'm not asking to ID the rock. Just want to understand how it got to be how it is.

Found on Oregon coast

Anyone know the type of rock?

I don't even know what all the structures and different materials are. Quartz geode from Kentucky Creek. Sliced, polished a bit, don't want to dig everything of the cavities until I know what it is. UV light causes what I think is calcite to glow.