Endangered/threatened gemstones

The origin of birthstones is believed to date back to the breastplate of Aaron which contained twelve gemstones representing the twelve tribes of Israel. The ... Learn all about blue topaz, blue zircon, tanzanite and turquoise. By Kyra Hensley. Published: 04/01/2011. Modified: 02/13/2023. birthstone ... Jan 16, 2020 ... What is a gem exactly? Different minerals are valued for their different physical or chemical properties. In the case of gems, what we look for ... May 3, 2024 ... May's birthstone is known for its striking green hue that ranges from light to dark shades. It's also believed to bring peace and calmness to the wearer. Mar 18, 2021 ... In this guide, let's talk about the 12 birthstones, what they mean, and where you can find the perfect family birthstone jewelry. This unique ring was designed to cherish all your favorite gems! Select the birthstones that are dearest to you, and notice the unique shape and natural ... A birthstone is a gemstone linked to each month of the year, with the tradition dating back to ancient history. Each month features one or more specific ... What is an emerald? Emeralds are a variety of the mineral beryl. This precious gemstone has a distinguished reputation for its striking tones that range from ... Nov 3, 2024 ... Citrine Birthstone. Citrine is actually fairly durable, ranking 7 on the Mohs hardness scale. While softer than a diamond or even a sapphire, ... May's birthstone is the emerald. This precious birthstone is prized for its rich green color and rarity. Emeralds are renowned for their beauty and elegance, ...