Diamonds, rubies, emeralds, jade, pearls—these are the seeds of many dreams (FIG. 1). Gems are associated with love and romance, but also with power, money, and the plundering of riches. Gems have always played an integra
Gemstones form in metamorphic, magmatic, and sedimentary rocks. In sedimentary units, these minerals...
Medicine and Religion in the Magical Gems The magical gems (2nd-4th CE) are engraved semi-precious...
The dark red crystals that frequently adorn common mica schists are garnet (FIG. 1A). The purple-red...
International audiencePrompted by the increasing number of laboratory-grown gems and the growing sop...
Gems are well-compressed small pieces found in mineral deposits found inside earth. Pearls and amber...
Diamond is associated with ideals of purity, love, nobility, and wealth and with curses, corruption,...
Gems have been used in the manufacture of jewellery and as ornaments since antiquity. Considering ge...
SiO₂ - Mohs Hardness: 7. In antiquity, as well as in the Middle Ages, people believed that the cosm...
several series of magical gems are related to specific parts of the human body. Their colour was th...
Gemstones form in metamorphic, magmatic, and sedimentary rocks. In sedimentary units, these minerals...
The variation of color in minerals makes the difference between a valuable gem and a worthless stone...
The gemstones of ancient Egypt, broadly defined, include all rocks, minerals, and biogenic materials...
In colored gems, minor and trace chemical components commonly determine the difference between a com...
Lecture held by James Mchugh, Los Angeles India and neighboring regions were the main sources of man...
This United States Geological Survey (USGS) site highlights information about gemstones. The geologi...
Gemstones form in metamorphic, magmatic, and sedimentary rocks. In sedimentary units, these minerals...
Medicine and Religion in the Magical Gems The magical gems (2nd-4th CE) are engraved semi-precious...
The dark red crystals that frequently adorn common mica schists are garnet (FIG. 1A). The purple-red...
International audiencePrompted by the increasing number of laboratory-grown gems and the growing sop...
Gems are well-compressed small pieces found in mineral deposits found inside earth. Pearls and amber...
Diamond is associated with ideals of purity, love, nobility, and wealth and with curses, corruption,...
Gems have been used in the manufacture of jewellery and as ornaments since antiquity. Considering ge...
SiO₂ - Mohs Hardness: 7. In antiquity, as well as in the Middle Ages, people believed that the cosm...
several series of magical gems are related to specific parts of the human body. Their colour was th...
Gemstones form in metamorphic, magmatic, and sedimentary rocks. In sedimentary units, these minerals...
The variation of color in minerals makes the difference between a valuable gem and a worthless stone...
The gemstones of ancient Egypt, broadly defined, include all rocks, minerals, and biogenic materials...
In colored gems, minor and trace chemical components commonly determine the difference between a com...
Lecture held by James Mchugh, Los Angeles India and neighboring regions were the main sources of man...
This United States Geological Survey (USGS) site highlights information about gemstones. The geologi...
Gemstones form in metamorphic, magmatic, and sedimentary rocks. In sedimentary units, these minerals...
Medicine and Religion in the Magical Gems The magical gems (2nd-4th CE) are engraved semi-precious...
The dark red crystals that frequently adorn common mica schists are garnet (FIG. 1A). The purple-red...