Obsidian can be purchased from any rock shop, especially on Lava Isle. However, you can find it anywhere on the ground on Lava Isle and pick it up for free.
No. Obsidian is brittle.
One type of obsidian is snowflake obsidian, which is black with white mineral inclusions that resemble snowflakes.
Obsidian is not magnetic.
how is obsidian dependent on minerals
The common name for obsidian rock is volcanic glass.
If their business is in dealing with obsidian products, and they do not own any obsidian mines, then yes they will need to buy it. If however they do not need obsidian then they do not have to buy it.
Any of the Lava Isles are where you can find obsidian chunks. There is no "best" place. Also, sometimes you can find them in the rock shops if another player has sold them recently.
Wington food store =)
Type in "buy obsidian" in your search bar. You will be given information on several sources. Knappable obsidian sells for around $5 US per pound.
Obsidian shield
Wington Tack Shop
Treeton Pet Store for $3,000.
You either have to grow it on your ranch or buy it.
You can buy tham at Earton General Store :)
you can buy a guest book in the tool shop
Joylyn in treeton will buy your unwanted grasshoppers.
the tool shop on tiger isle has it.