Gold Purity As the most malleable of all precious metals, gold is an excellent choice when crafting designs with very intricate details. Qo'shimcha, it’s resistant to rust, tarnish and corrosion. Pure gold is too soft for everyday wear, so it’s alloyed with a mixture of silver, copper and a trace of zinc, to give it […]
Kategoriya arxivi: Zargarlik buyumlari yangiliklari
nuqson? Nega bir xil qimmatbaho toshlarning kesilgan shakllari? Gem sifatini baholash va narx o'rtasidagi mos keladigan munosabatlar nima? va boshqa ko'p narsalar. Bu sotuvchilarni yaxshi javob berishni talab qiladi. Faqat shu tarzda ular oshkora va reklama qilishda yaxshiroq rol o'ynaydi. Chunki ko'plab qimmatbaho tabiiy toshlar, kabi olmos kabi, yoqut, safirlar, […]
There is a certain relationship between the caliber (inner diameter) of a jade bracelet and the thickness of the diameter. Bu, when the jade bracelet is smaller, its diameter is also thinner; when the mouth of the jade bracelet is large, its diameter is correspondingly larger. Only in this way, a harmonious beauty will […]
(1) Intuitiv usul: yalang'och ko'zlar bilan to'g'ridan-to'g'ri kuzatuv usuli. Bu shuningdek eng keng tarqalgan va haqiqiy identifikatsiya usuli. Tekshiruv quyidagi to'rt tomondan amalga oshirilishi mumkin: Thein rangi, shakl, o'lcham, yaltiroq, va hokazo. Agar u boncuk yoki marvarid partiyasi bo'lsa, Haqiqiy marvaridlar uchun, ular […]
Diamonds are noble and luxurious ornaments, and jewelry with natural diamonds is the crown of jewelry. Ammo, diamonds are scarce and expensive, especially the larger ones, and most people don’t dare to care about them. Natijada, the use of cheap gemstones, man-made gemstones and even glass to replace or pretend to be diamonds […]
(6) Sun'iy harakat: Rutile oddiy tabiiy mineraldir, va uning tarkibi titan dioksid. Chunki uning refkastiv indeksi (2.61~ 2.90) olmosdan yuqori (2.42), Bu qimmatbaho toshga. Yorqin va jasur yoritgichlar va kamalak kabi o'zgarishlar paydo bo'lishi mumkin, bu juda chiroyli. It is a pity that almost all natural rutile is […]
Zargarlik buyumlari uchun kattalashtiruvchi oynani kattalashtirish haqida, Ba'zi odamlar kattaroq deb o'ylashadi, Aslida bu emas, chunki ob'ektiv ishlab chiqarish hajmi bo'yicha, u oshadi 10 vaqt va uning optik sifatini va aniq birlashuvni kafolatlashi mumkin (Kattalashtirilgan stakanning aniq kontrakti 16-20mm) O'rinli) juda qiyin; ikkinchidan, […]
Eng muhimi: Sun'iy qizil va sapirni oq qog'ozga yoki oq konteynerga rioya qilish uchun suvga qo'ying. Rangli tasmalar yoki o'sish chiziqlari asosan egiluvchan va egri, Tabiiy mahsulotlarning olti burchak o'sishi chiziqlari biroz egri. Lenta to'g'ri. Bunga qo'chimcha, the fluorescence of artificial rubies is stronger […]
Ammo ularning kimyoviy tarkibi va fizikaviy xususiyatlari juda boshqacha. Masalan, zumrad og'irlik qiladi 7.5-8, floritning qattiqligi bor 4; zumrerglar taxminan 2,7g / sm3 ga teng, florit (3.18gina) /sm3), Turmalin (3.05g / sm3) va zumrad (3.33g / sm3) yuqori zichliklarga ega. Orqa sinovida tribromosetan bilan, faqat zumradlar suzib ketdi, va […]
Tabiiy zumralar ikki turga bo'lish mumkin: (1) Amerika turi: Kolumbiyada ishlab chiqarilgan zumradlarni o'z ichiga oladi, Braziliya va AQSh. U past refraktiv indeks bilan ajralib turadi, kichik o'ziga xos tortishish kuchi, ultrabinafsha (Uzoq to'lqin) nurlanish va floresan, Charlz Filter bilan kuzatilganda rang qizil rangga aylanadi. (2) Afrika turi: Zimbabveda ishlab chiqarilgan zumradlar, Janub […]