Material/Stone: Unknown *We do not investigate detailed sizes. *This is not a "new" item. *Regarding USED items, there may be minor fraying, loose threads, or fuzzing that are not noticeable, in addition to the above. We will not answer questions about the purchase date, frequency of use, or the seller's physical size. When negotiating a price reduction, please "always" specify a concrete amount in your comment. We will not respond to comments such as "Are you offering a discount?". We will only consider discounts within a reasonable range. Please understand that we may decline price reductions depending on the item due to shipping and handling fees.