i think it is, i get around 3-10 diamonds in an hour
There is a strategy called branch mining, look it up on youtube
The only way to receive obsidian when mining is using a diamond pickaxe.
To mine diamonds in Minecraft, you need an iron pickaxe or a stronger one, such as a diamond or netherite pickaxe. Gold pickaxes are not effective for mining diamonds, as they will break the diamond ore without dropping any diamonds. Therefore, iron is necessary, while gold is not suitable for this task.
Diamonds are a rare mineral in minecraft found by mining. Diamond veins spawn once per chunk, and are found best on level 14.
Iron is the most abundant of the three, you should see it first when mining. As well as this, diamond and gold only appear on lower levels, iron can be found almost as soon as you start digging.
There are no helmets made specifically for Mining, but normal Helmets do exist in Minecraft.
Try this video on YouTube: How to Mine Effectively [Diamonds, Iron, Coal, etc]
Diamond mining is not sustainable, in the environmental sense.
Commonly diamonds are found on the 16th layer or something around that. You can try to just walk around in caves or use different methods of mining.
In the full version of Minecraft, obsidain is usually found in the deep part of caves. Since there are no cave systems in minecraft pe, it's really hard to find it. You just have to keep on mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining until you luckily find obsidian.
Wyoming is not known for diamond mining.
There is no specific mining area; you just mine wherever you want to.