Ash, light brown sapwood, light brown core material, but darker than sapwood;
Oak wood, light yellow sapwood, white and brown core material;
Peach trees, gray sapwood with brown, light brown core material;
Piptanthus, pale yellow sapwood, cinnamon core material.
Notes: If the timber appears green, pink or blue spots, stripes, which shows the timber has mold breeding or has begun to corrupt, so the timber is not good, do not buy.
