Alamo Rock

We just brought in Colorado river rock aka “Colorado Rainbow”. Each basket is hand assorted by size. We have flat & round profiles. 8”-12” round, 8”-12” flats 5”-7” flats, 3”-5” flat “skippers” & 5” rounds. Hurry. Seasonal sensitive material as winter Colorado mountain snow challenges availability from the source. Priced at $500 per large 3300 lb basket.

Our rocks in Action! A single boulder stopped a speeding suv from entering our playground area today. Another great reason to place these attractive rocks in front of sensitive areas. Obsidian is also considered a protection stone.

🚨Buy any Obsidian Boulder for $200 for limited time. Most are 4’ sizes 1300-2000 lbs . Pick them & bring your heavy duty trailer!

Looking for more then a few black rocks? I offer 24 4’ size boulders for $300 a ton delivered to most places in Texas. Makes a beautiful barrier for commercial properties. ☎️214-364-1974

🪨 Black Obsidian volcanic glass boulders are “exotic” here in south Texas. I set my prices similar to the locally harvested Limestone sedimentary rock boulders. Consider a unique look for your landscaping project!

Black Obsidian boulders will give your landscaping project a boost. We currently have them in 1’ -4’ sizes. We can get them in 5’-6’ sizes.

Black Ice Obsidian Boulders available in all sizes.

AlamoRock.com -Shop Boulders-San Antonio,Texas

Where to visit us? We are located in San Antonio near Loop 1604 & IH-37 and operate out of our rural Bexar county residence . 3’-4’ boulders average 1000-2500 lbs & each crate of 14”-24” boulders weighs 2200-2600 lbs. 📞214-364-1974 for more information.

🚛 Delivery available to hard surfaces at additional costs. Truckload deliveries available to commercial customers and job sites.

26 Black Obsidian boulders arrived today. Big selection.

Black Obsidian boulders San Antonio,TX

White Colorado 4’ boulders. $250-$300

Obsidian Black Ice boulders in wood crates. Sized 14”-24”. 2200lb crates. $400 ea.
Stand out from your neighbors. Hard to find beautiful black glossy rock.

White Colorado boulders in wood crates. Sized 14”-24”. Crate weight 2200lbs/$350 ea.

This is an interesting read about black obsidian.

Black Obsidian: Meanings, Properties, Facts, And More Are you looking to add some feng shui into your space or need something to bring you back down to earth, black obsidian is the stone for you.

We have beautiful hard to find Obsidian “Black Ice” Boulders in 3’ & 4’ sizes. Priced at $180-$300. Stand out from your neighbors. (*yellow square in photo is one foot!! for reference). 214-364-1974