vanadium chemical element
Vanadium, properties of the atom, chemical and physical properties
Among the 115 chemical elements known today, many received their names in honor of Greek heroes
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Jewelry: rings and earrings with ruby. How to choose and what to wear with?
Jewelry with rubies has been valued at all times. It is no coincidence that these precious stones were inlaid with ceremonial
How to wear a chain around your neck correctly: advice from stylists and jewelers
I love wearing several chains at once. In my early youth I threw everything on myself
History of jewelry
Where did the history of jewelry begin? First jewels
The history of jewelry begins about 100 thousand years BC. Archaeologists have discovered the first decoration
Methods for applying gold plating to silver at home
Home » Our technologies » Rhodium plating in Moscow » Rhodium plating of jewelry – .
How to identify a ruby
How to identify ruby ​​at home, simply and reliably
How to determine whether a ruby ​​is real or fake at home. This question is not uncommon
Composition, specific gravity and other characteristics of platinum metal
Chemical composition of platinum Pure platinum is very rare. Native platinum as a species is
How much does a natural Burmese ruby ​​cost in Bangkok?
How much does a natural Burmese ruby ​​cost in Bangkok?
The most frequently asked question is: “How much does a Burmese ruby ​​cost in Bangkok?” Also everyone is interested in: “Is it possible?
What were the names of the stones in the old days?
Sapphire (stone): magical properties, what it looks like, varieties
What is the difference between ruby ​​and sapphire? In fact, both stones are varieties of the same thing.
18 carat hallmark on a gold watch
18 carat gold: what standard it is, properties of the alloy, its cost, marking, application, advantages and disadvantages of the precious metal
Gold grade is a designation showing how much precious metal is contained in an ornament or piece of jewelry.
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