past and present treasures A museum has just acquired a new piece for its collection It is a necklace studded with blue gemstones This skillfully crafted work gives museum visitors a glimpse into ancient cultures
The museum worker carefully handles the necklace She uses a small brush to remove dust When she is finished the worker puts the jewelry away She removes her gloves and slips on a diamond wedding ring People have treasured gemstones for thousands of years
what are gemstones Gemstones or gems are precious objects valued for their appearance Most gems are crystals Others are brightly colored rocks or organic materials Gems are often cut and embedded in jewelry or other items Gems have been collected shaped and treasured throughout history They are often used in religious or other special ceremonies Turquoise is an important stone to Native American tribes of the southwestern United States This beautiful gem has been used in Native American art for centuries AMETHYST CRYSTALS
CARATS Gems are measured in carats One carat is equal to 0 2 grams This is about as heavy as a raindrop TURQUOISE JEWELRY
