Variety weight (g) length (cm) diameter (cm) volume (cm3) density (g/cm3) Hardness HV/50 Khalas 0.72 1.82 0.51 0.80 0.91 46.5 Khunaizy 0.57 1.88 0.45 0.66 0.90 45 Fard 0.53 1.67 0.53 0.61 0.88 51 *Values are means of two determinations. Hardness is reported as Vickers hardness (HV/50) with 50 being the load used in kilograms-force (kgf).

Table 1: Dimensions and hardness of date seeds from three different varieties*.