gandheng tuff, tuff rhyolitic, basaltic tuff, trachyte tuff lan tuff andesitic.
mercon obsidian, mahoni, Sheen obsidian, Snowflake obsidian lan Beludru merak obsidian
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero
pamblokiran negativity, mbantu kanggo ngreksa marang depresi