Add to Cart TlGaSe2 Crystal Thallium Gallium Selenide MSRP: Now: $590.00 Was: Thallium Gallium Selenide (TlGaSe2) is a laye BLK-TlGaSe2 MSRP: Now: $590.00 Was: Add to Cart Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $590.00 Was: Subtotal: Add to Cart