Bench Reference gelir ve indirmeleri

Bench Reference — The Professional Jeweler's Pocket Guide Everything a bench jeweler needs, right on your phone. Bench Reference puts 30+ reference sections, professional calculators, and a personal library system in your pocket — no internet required. GEMSTONES & MATERIALS Browse 100+ gemstones with Mohs hardness, specific gravity, refractive index, care instructions, setting tips, steam safety, and cleaning methods. Filter by hardness or steam safety to make quick decisions at the bench. Plus dedicated sections for pearls, birthstones, gemstone origins, and stone shapes. BENCH TECHNIQUES Ste...