Specification :

We're looking for 2kinds of items that is related to Volcano material.
For your reference I tell you like following what we're looking for now.

1. Allophane (clay).
It is kinds of clay origin from Volcanic region. Some tile company manufacture eco-friendly tile using this material now. Do you know this item?

2. I'm not sure the exacted name for this item.
"It became powder (like sand) shaped mountain likes glass grain after Silica (the main ingredient is SiO2) melted and then get cold by Volcanic action."
Do you know this Item??

3. Iron slag : Fe content around 50%

4. Iron ore lump type : Fe content above 50%

5. Iron ore fine : Fe content above 50%

awaiting your reply.