It's called Adamantite and it's found in the 3rd mine on every floor in the rocks. You can unlock the 3rd mine by getting to the bottom of the first and second and activating the event in which you go into the mine after 10 p.m. You have to do the event after the first mine to unlock the second mine.
If you mean the third Harvest Sprite Channel in Harvest Moon DS or Harvest Moon DS Cute, all you have to do is rescue 20 Harvest Sprites. After your twentieth Sprite you will automatically unlock your twenty-first Sprite who runs Channel 3.
Yarn Maker Your sheep can be sheered to collect Wool, and you can convert that Wool into balls of Yarn for shipping or for giving as gifts. You will need a ball of yarn if you want a sock knitted for the Stocking Festival on Winter 25. So you will need to unlock the 3rd mine to get a ball of yarn
Mythic Stone is found in the 3rd. mine. Here are the floor numbers From floor 0 to 255, every floor that ends in 0. From floor 255 to 999, every floor that ends in 5.
Pink Diamond Floor 100, every 3rd floor And they are worth 10000 g
Mine it in the 3rd mine
It's called Adamantite and it's found in the 3rd mine on every floor in the rocks. You can unlock the 3rd mine by getting to the bottom of the first and second and activating the event in which you go into the mine after 10 p.m. You have to do the event after the first mine to unlock the second mine.
The 3rd mine has mystrile on all floors.
If you mean adamantite, that can be found on any level of the 3rd mine. You can research on how to unlock the mines, but adamantite is randomly thrown in with the rocks that you smash with the hammer on every level of that mine.
3rd mine
you have to unlock the 3rd mine and then gotz will have it ready
There are several types of ores in Harvest Moon DS. Bronze, Silver and Gold are the main ones which can be found in the 1st, 2nd and 3rd mine, not sure about the 4th mine. There is also Mystril which can be found in the 2nd and 3rd mine, again not sure about the 4th mine. Hope this helps. :)
Firstly you have to unlock the 3rd mine, unfortunately I have forgotten how to do this, but I think you have to go to the mine early on a Saturday morning., sorry if this doesn't work. :\ Anyway you have to have the 3rd mine in order to be able to find Mystrile in the rocks you can smash with your hammer. Hope this helps. :)
breaking rocks in the 3rd mine
Unlock the 3rd mine (by getting to the bottom of the second mine and having the small cut scene with Carter) and its on every floor that ends in a 2, eg. floors 2, 12, 22, 32
If you mean the third Harvest Sprite Channel in Harvest Moon DS or Harvest Moon DS Cute, all you have to do is rescue 20 Harvest Sprites. After your twentieth Sprite you will automatically unlock your twenty-first Sprite who runs Channel 3.
With your hammer. That's how I did it.