![What is this white stuff on this rock? My kids got a bunch of those from a beach in Honolulu. : r/rockhounds What is this white stuff on this rock? My kids got a bunch of those from a beach in Honolulu. : r/rockhounds](https://preview.redd.it/3qe6xifemf071.jpg?width=3774&format=pjpg&auto=webp&s=63438dd80fd66d480ba5ae259b046b7334ef2063)
What is this white stuff on this rock? My kids got a bunch of those from a beach in Honolulu. : r/rockhounds
![I wonder what this white stuff is on these rocks? Was fishing on the newriver gorge and noticed it : r/WestVirginia I wonder what this white stuff is on these rocks? Was fishing on the newriver gorge and noticed it : r/WestVirginia](https://i.redd.it/sge6pppf4g041.jpg)
I wonder what this white stuff is on these rocks? Was fishing on the newriver gorge and noticed it : r/WestVirginia
![Anyone know what this white stuff is on my rocks? These were freshly dug up from 5 feet down. White Mountains, NV. 8,000 feet. : r/rockhounds Anyone know what this white stuff is on my rocks? These were freshly dug up from 5 feet down. White Mountains, NV. 8,000 feet. : r/rockhounds](https://i.redd.it/qe4qckjotv871.jpg)
Anyone know what this white stuff is on my rocks? These were freshly dug up from 5 feet down. White Mountains, NV. 8,000 feet. : r/rockhounds
![Ask an expert: What is this white stuff on my dogwood tree and what do I do about it? - oregonlive.com Ask an expert: What is this white stuff on my dogwood tree and what do I do about it? - oregonlive.com](https://www.oregonlive.com/resizer/d-T0tOFqCIlg2s83dn9fyE-XjwY=/1280x0/smart/cloudfront-us-east-1.images.arcpublishing.com/advancelocal/QT54NHKKERE3TFXPFWHXTX2SXU.jpg)
Ask an expert: What is this white stuff on my dogwood tree and what do I do about it? - oregonlive.com
![please help me identify this white stuff growing on my live rocks - Aquarium Advice - Aquarium Forum Community please help me identify this white stuff growing on my live rocks - Aquarium Advice - Aquarium Forum Community](https://www.aquariumadvice.com/attachments/photobucket/img_1023930_2_9c93c550859906080ba1309833545200.jpg)
please help me identify this white stuff growing on my live rocks - Aquarium Advice - Aquarium Forum Community
![What is this fuzzy white stuff growing on my stone basement wall? It's dry and flakes off. House was built ~1900 in northeast US. : r/whatsthisrock What is this fuzzy white stuff growing on my stone basement wall? It's dry and flakes off. House was built ~1900 in northeast US. : r/whatsthisrock](https://i.redd.it/erqm9ngiukt11.jpg)
What is this fuzzy white stuff growing on my stone basement wall? It's dry and flakes off. House was built ~1900 in northeast US. : r/whatsthisrock
![please help me identify this white stuff growing on my live rocks - Aquarium Advice - Aquarium Forum Community please help me identify this white stuff growing on my live rocks - Aquarium Advice - Aquarium Forum Community](https://www.aquariumadvice.com/attachments/photobucket/img_1023930_0_29cf28a37a94f6dbbe89b9da183f6c77.jpg)
please help me identify this white stuff growing on my live rocks - Aquarium Advice - Aquarium Forum Community
![Anyone know what this white stuff is on my rocks? These were freshly dug up from 5 feet down. White Mountains, NV. 8,000 feet. : r/rockhounds Anyone know what this white stuff is on my rocks? These were freshly dug up from 5 feet down. White Mountains, NV. 8,000 feet. : r/rockhounds](https://i.redd.it/kecozskmtv871.jpg)