Precious stones also known as pstones are blocks that can be bought in Beerstein Town Hall. When placed these special blocks create protected barriers.
In Beerstein Town Hall you will find the three signshops for the three different sized pstones you can buy. You will also find a warp to Pstone Demo. At the Pstone Demo you will be able to see a visualize of the different pstone sizes.
The three different pstones
Commands for pstones
/ps - Will show a list of pstone commands in chat.
/ps fields - Will show you the names, the IDs, the radius and the height of the three different pstones you can buy.
/ps on/off - Will toggle the placing of pstones or regular blocks. Sometimes you might want to place a pstone block and not want it to protect anything.
/ps enable/disable - Will toggle a protection field on or off.
/ps allow <playername> - Will add the specified player to the pstone field(s) you are standing in.
/ps allowall <playername> - Will add the specified player to all of your pstone fields.
/ps remove <playername> - Will remove the specified player from the pstone field you are standing in. This will not work if the player is standing in the pstone field.
/ps removeall <playername> - Will remove the specified player from all of your pstone fields.
/ps allowed - Will list every player allowed in the pstone field you are standing in.
/ps who - Will list every player who is in your pstone field.
/ps locations - Will list every pstone field you have created.
/ps visualize - Will create a visualization using glass blocks of the protected field you are standing in.
/ps hide - Will hide the glass blocks that were created when the command /ps visualize was used.
/ps unhide - Will show the glass blocks created after the command /hide has been issued.
/ps mark - Will mark the locations of pstones your area with a pillar of obsidian.
/ps toggle protect-animals - Protect any passive mob in a pstone region.