Changes into

When its hit points run out it becomes Loose Concrete Block 3x3 Destroyed.

Harvest drops

Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.

When it collapses

Falling, it leaves Destroyed Stone (75% of the time) where it lands.

Where to find (71 POIs)

Correa Rockworx (tier 5), Dishong Tower (tier 5), Haven Hotel (tier 5), Navezgane County Jail (tier 5), Vanity Tower (tier 5), Calm Inn (tier 4), Good Life Apartments (tier 4), Joe's Junction (tier 4), NFD Downtown HQ (tier 4), Water Treatment Plant (tier 4), Ann Hoing's Telemarketing (tier 3), Fit Box (tier 3), Happy Sleep Motel (tier 3), Le Spank (tier 3), Meat You Here Butchery (tier 3), Navezgane Falls Diner (tier 3), Post Office #2 (tier 3), The Bend Apartments (tier 3), The Boobie Trap (tier 3), Downtown Post Office (tier 2), Downtown Shamway (tier 2), Elite Essentials (tier 2), Historic Office Suites (tier 2), Luigi's Pizza (tier 2), Mo Power Components Factory (tier 2), Oreally Auto (tier 2), P&B Machining (tier 2), Post Office Apartment (tier 2), The Hestnes Residence (tier 2), Bark Buzz Business Complex, Bloomington Square, Blue Clover Hotel, Booze Vault, Box Factory, Carlos' Travel Center, Circuit Splits Station, Clean & Cozy Corner, Critic's Corner, Decayed Office Tower, Demolition Site and 31 more.

Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.