https://rolandaalvesjewels.blogspot.com/
Peridot: refreshing green Peridoto: um verd...
Peridot is one of the ideal stones for the summer season because it adds a fantastic variant to the colour spectrum of green gemstones. Whether in single pieces or limited...
Peridot: refreshing green Peridoto: um verd...
Peridot is one of the ideal stones for the summer season because it adds a fantastic variant to the colour spectrum of green gemstones. Whether in single pieces or limited...
Peridot is August birthstone / O Peridoto é a p...
Peridot is an iron and magnesium neososilicate found in prisms, pinacoids and bipyramids; the best quality is from the United States, Brazil, Egypt, Ireland, Russia, Sri Lanka and the Canary...
Peridot is August birthstone / O Peridoto é a p...
Peridot is an iron and magnesium neososilicate found in prisms, pinacoids and bipyramids; the best quality is from the United States, Brazil, Egypt, Ireland, Russia, Sri Lanka and the Canary...
Can a ruby be as expensive as a diamond? / O ru...
As it happens with diamonds, the value of a ruby rises exponentially according to its weight. Interestingly, as the ruby has a relative density higher than the diamond, a 1-carat...
Can a ruby be as expensive as a diamond? / O ru...
As it happens with diamonds, the value of a ruby rises exponentially according to its weight. Interestingly, as the ruby has a relative density higher than the diamond, a 1-carat...
The corundum family - A familia dos corindos
Ruby is a gem that belongs to the corundum group, just like sapphire, but only red corundums are rubies. All other colours, from colourless to pink to blue, are sapphires.Although...
The corundum family - A familia dos corindos
Ruby is a gem that belongs to the corundum group, just like sapphire, but only red corundums are rubies. All other colours, from colourless to pink to blue, are sapphires.Although...
Is it a Pink Saphire or a Ruby? Safira rosa ...
Colour is one of the most important characteristics to determine the value of a ruby. The ruby-red hue is due to Chromium (Cr), and the colour can range from deep...
Is it a Pink Saphire or a Ruby? Safira rosa ...
Colour is one of the most important characteristics to determine the value of a ruby. The ruby-red hue is due to Chromium (Cr), and the colour can range from deep...
Ruby - one of the 4 magnificent gemstones / Rub...
Ruby is one of the four magnificent gems, along with diamond, emerald and sapphire. The name derives from the Latin "rubeus", which means red.The first records of its extraction date...
Ruby - one of the 4 magnificent gemstones / Rub...
Ruby is one of the four magnificent gems, along with diamond, emerald and sapphire. The name derives from the Latin "rubeus", which means red.The first records of its extraction date...