Top-Ranked Fine-Grained Categories of pumice: =>see poetic categories

• soft:stone,
• natural:material,
• volcanic:material,
• porous:substance,
• light:abrasive,
• porous:rock,
• porous:aggregate,
• coarse:aggregate,
• fine:aggregate,
• hard:mineral,
• powdered:abrasive,
• lightweight:aggregate,
• volcanic:rock,
• permeable:material,
• cellular:material,
• coarse:material,
• organic:matter,
• fine:abrasive,
• soft:abrasive,
• inert:substance,
• heavy:particle,
• terrestrial:rock,
• stable:component,
• inorganic:particle,
• light:substance,
• porous:material,
• soft:rock,
• mechanical:abrasive,
• fine:rock,
• natural:mineral,
• inorganic:substance,
• inorganic:material,
• natural:rock,
• natural:system,
• natural:abrasive,
• abrasive:substance,
• gritty:material,
• light:mineral,
• lightweight:rock,
• volcanic:stone,
• granular:material,
• aggregate:material,
• volcanic:deposit,
• lighter:material,
• igneous:rock,
• floating:material,
• natural:substance,
• hard:material,
• inorganic:component,
• coarse:abrasive,
• dried:material,
• porous:mineral,
• volcanic:sediment,
• extrusive:rock,
• inert:material,
• fireproof:material,
• lightweight:material,
• volcanic:substrate,
• coarse:particle,
• natural:aggregate,
• floating:substance,
• fine:material,
• essential:material,
• industrial:mineral,