Volume - mass relationship of silica sand used to measure mussel shell volumes in deep-sea mussel culture

Volume (V) – weight (m) relationship of silica sand (grading 50-1000μm) used to measure G. childressi shell volume. A standardized cup of exact 0.2602 mL was used to measure 1 to 30 as well as 35 and 40 standardized units of sand.