Red stone appreciation and collection skills:
Appreciation: Recently, synthetic red stone ornaments have appeared on the market. The largest number is red stone bracelet jewelry. How to distinguish the red stone from the true and false? According to experience, we should first know some physical and chemical characteristics of natural red stone. Then compare the two data, if it is true, it is a genuine product, and vice versa. By the following aspects:
Hardness: The hardness of natural red stone is extremely low, the Mohs hardness is between 3-5, and the hardness of the imitation is too large.
Gloss: Natural red stone luster aura, showing different halos under strong and weak light, especially in low light, the gloss is still not reduced (this is because the refractive index of natural gemstones is determined), imitations in different light Dizziness, especially in low light, the gloss will disappear and stay stagnation.
Specific gravity: The ratio of natural red stone is very large. Usually, the 8 mm diameter bracelet has a weight between 23 and 25 grams, while the imitation has a small specific gravity and its weight is about 17 grams.
Chemical properties: Natural red stone is foamed with hydrochloric acid. This is because its chemical composition is MnCO3, and the imitation products are mostly other substances. There is no such special phenomenon.
Waist tool holder is a type of wearable tool organizer that is designed to be worn around the waist or hips. It typically consists of a sturdy belt or strap that is adjustable to fit the wearer, and several pockets or loops that can hold various tools, such as screwdrivers, pliers, hammers, and other hand tools.
Waist tool holders are commonly used by tradespeople, such as carpenters, electricians, plumbers, and mechanics, who need to carry multiple tools with them while working. By wearing a waist tool holder, these professionals can keep their tools organized and easily accessible, without having to constantly bend down or reach into a tool bag.
Waist tool holders are available in a variety of materials, including leather, nylon, and canvas, and can be customized with different pocket configurations to suit the specific needs of the wearer. They are also adjustable to fit different waist sizes and can be worn over clothing or attached directly to a Work Belt.
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