Add to Cart GaSSe Crystal Gallium Sulfide Selenide MSRP: Now: $690.00 Was: The only commercially available GaSSe alloys: Bulk Gallium sulfide selenide alloys exhibit band gaps ranging from 2.0 eV (GaSe) t0 2.6 eV (GaS) mostly covering the UV band gap ranges. Crystals are... BLK-GASSE MSRP: Now: $690.00 Was: Add to Cart Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $690.00 Was: Subtotal: Add to Cart