Getting/Buying Quartz generators in Bedrock

[JexYT]

It is a bug? or I have to unlock it? I am at the second unlocked Island of the nether

 

[mlggaimer]

Same

 

[Upperbeech]

It is a bug? or I have to unlock it? I am at the second unlocked Island of the nether

View attachment 174398

you cant buy them at the moment, but they arent really needed cuz the gens that you get are normally enough.