Add to Cart CuS Crystal Copper Sulfide MSRP: Now: $540.00 Was: CuS is a member of metal chalcogenides (see our GaSe and GaTe products). It has a layered structure (lamellar) with weak interlayer coupling. In the bulk form, it is a direct band gap semiconductor... BLK-CUS MSRP: Now: $540.00 Was: Add to Cart Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $540.00 Was: Subtotal: Add to Cart