Posts

gold

Image
Gold Gold is a chemical element with the symbol Au (from Latin: aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally. In a pure form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental (native) form, as nuggets or grains, in rocks, in veins, and in alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum), naturally alloyed with other metals like copper and palladium and also as mineral inclusions such as within pyrite. Less commonly, it occurs in minerals as gold compounds, often with tellurium (gold tellurides). Gold is resistant to most acids, though it does dissolve in aqua regia (a mixture of nitric acid and hydrochloric acid), which forms a soluble tetrachloroaurate an

सोना

Image
सोना सोना एक रासायनिक तत्व है जिसका प्रतीक Au (लैटिन से: aurum) और परमाणु संख्या 79 है, जो इसे प्राकृतिक रूप से होने वाले उच्च परमाणु संख्या तत्वों में से एक बनाता है। शुद्ध रूप में, यह एक चमकीला, थोड़ा लाल रंग का पीला, घना, मुलायम, निंदनीय और नमनीय धातु है। रासायनिक रूप से, सोना एक संक्रमण धातु और एक समूह 11 तत्व है। यह कम से कम प्रतिक्रियाशील रासायनिक तत्वों में से एक है और मानक परिस्थितियों में ठोस है। सोना अक्सर मुक्त तात्विक (देशी) रूप में, सोने की डली या अनाज के रूप में, चट्टानों में, नसों में और जलोढ़ निक्षेपों में होता है। यह मूल तत्व चांदी (इलेक्ट्रम के रूप में) के साथ एक ठोस समाधान श्रृंखला में होता है, स्वाभाविक रूप से तांबे और पैलेडियम जैसी अन्य धातुओं के साथ मिश्र धातु और पाइराइट के भीतर खनिज समावेशन के रूप में भी होता है। कम सामान्यतः, यह खनिजों में सोने के यौगिकों के रूप में होता है, अक्सर टेल्यूरियम (गोल्ड टेल्यूराइड्स) के साथ। सोना अधिकांश एसिड के लिए प्रतिरोधी है, हालांकि यह एक्वा रेजिया (नाइट्रिक एसिड और हाइड्रोक्लोरिक एसिड का मिश्रण) में घुल जाता है, जो एक घुलनश

How to Buy Gold Jewerllery Online

Image
Aabi Jewels at your service the time it took to go from store to store in search of that perfect piece of gold! Back then, people relied on local jewellers who offered them only limited choices. But now, the Internet has changed the way we shop. Shopping is as simple as pointing and clicking. Online retailers in India and around the world spoil you for choice when it comes to buying jewellery. The prospect of being able to shop from the comforts of your home only adds to the joy of shopping for gold jewellery. Ah! The joys of living in a world of technology! But wait! is buying jewelry online as easy and hassle-free as you think? Are there factors you should consider when you make a purchase online? Read on to know more. A Beginner's Guide to Online Jewellery Shopping As obvious as the attraction of gold is the distraction it causes. It can make you overlook important aspects necessary to ensure you are buying it right. Buying jewellery online is undoubtedly the easiest way

How to clean Gold jewellery and silver jewellery

Image
Women and men love gold. they also dread when their jewelry loses its original shine. The thought of having to go to an expert to get it cleaned also gives people unwanted headaches. However, there are easy ways to keep your gold ornaments clean and radiant. And you can do it all by yourself at home. So don't lose heart. You don't' have to lock up your favorite jewelry just because they don't sparkle as much as they used to. Here is everything you should know about cleaning your gold jewelry and how to clean your jewelry at home. What Makes Gold Jewellery Tarnish and Blur Before we start talking about cleaning gold ornaments, it's important that we understand the factors that cause them damage. There are many reasons why both new and old gold trinkets lose their shine with time. The more and longer your wear them, the more they lose their sheen and glitter. But that's not all. From dirt to cosmetics and everyday chemicals, there are many factors that affe