Shape Small, elongated, and slightly curved
Color Dark brown to amber
Size Approximately 3-6 mm in length
Texture Smooth, with fine ridges
Aroma Strong, earthy, and slightly nutty
Taste Warm, slightly bitter, and aromatic
Weight Typically lightweight
Density Varies, but generally low
Moisture Content Less than 10%
Purity Typically 99% pure
Foreign Matter Typically less than 1%
Shelf Life Can vary, but typically 2-3 years when stored in a cool, dry place