Quick question,
What material is the gen DRSD crystal made of? Is it sapphire? mineral? acrylic, something else?
Also, what propensity do they have to scratching - i.e. would the gens with about 30 years of wear on them show a significant amount of scratching?
thanks
What material is the gen DRSD crystal made of? Is it sapphire? mineral? acrylic, something else?
Also, what propensity do they have to scratching - i.e. would the gens with about 30 years of wear on them show a significant amount of scratching?
thanks