Coffee Bean

Coffee Bean

Parameter Specification
Shape Oval or elliptical
Size Varies by variety; typically 10-20 mm in length
Color (Raw/Green) Greenish-blue to yellowish
Color (Roasted) Light brown to dark brown (depending on roast level)
Surface Texture Smooth when green, slightly rough after roasting
Density Approximately 0.55–0.65 g/cm³ (green); lower when roasted
Moisture Content 8-12% (raw green coffee beans)
Aroma Earthy, grassy (raw); nutty, fruity, chocolaty (roasted)
Hardness Hard in green state; brittle after roasting
Weight Approx. 0.2–0.4 grams per bean (varies by variety)