The uniform stacking of layers of nacre below the surface of the shell also causes interference effects that contribute to the iridescent colors. The pearl derives its iridescence from the diffraction and interference of white light, caused by tiny overlapping platelets of calcium carbonate.
like assets many liabilities are intuitive however there may be some instances where a liability needs to be recorded although the company may not have perceived it as one an example of this would be a finance lease where there is no present obligation to pay the future lease payments
All Stock is listed under Owners Equity or also known as Stockholders Equity. If you look at the Accounting Equation you understand that. Assets = Liabilities + Owners (Stockholders) Equity. Assets maintain a Debit Balance, while Liabilities maintain a Credit Balance. OE (Stockholders Equity) also will maintain a Credit Balance. Therefore stock will maintain a Credit Balance. The only exception to this rule is Treasury stock which is stock purchased back by the company to reduce outstanding stock.