Category Nuances for volcanic_ash:

• cementitious,
• particulate,
• indigenous,
• igneous,
• sedimentary,
• aluminous,
• suspended,
• inert,
• hazardous,
• tiny,
• atmospheric,
• siliceous,
• irregular,
• particular,
• soft,
• airborne,
• small,
• natural,
• lightweight,
• little,
• abundant,
• geological,
• foreign,
• volcanic,
• unusual,
• basic,
• rare,
• inorganic,
• insoluble,
• solid,
• salt,
• terrestrial,
• available,
• geologic,
• radioactive,
• datable,

Simple Categories for volcanic_ash:

• thing,
• material,
• particle,
• matter,
• deposit,
• substance,
• particulate,
• stone,
• carrier,
• component,
• contaminant,
• sediment,
• rock,
• aggregate,