Des postes — Gemstones
Black Tourmaline
Publié par Laura Greenshields le
Composition Tourmaline, a crystal-like mineral compound, is made up of several various kinds of elements such as aluminum, copper, and potassium. Tourmaline is a semi-precious mineral. Many stones come in a range of shades and hues. Black Tourmaline is high in iron. History The Ceylonese gems, which were imported to Europe in large amounts by the Dutch East India Company, were brought to meet European interest and desire for jewels and oddities. Tourmaline was referred to as the Ceylonese Magnet because it was able to draw and then repel fiery ashes. Tourmalines were used by scientists in the...
- Balises: Gemstones
Blue Diamond
Publié par Laura Greenshields le
Composition Blue diamond is a form of diamond which has the basic properties of the gem, but also the exceptional property of a deep blue color. They are rendered blue by the inclusion of small quantities of boron in the crystalline lattice. Blue diamonds are categorized as fancy diamonds, and is considered a "color diamond", or a diamond that shows vibrant colors. History One of the first documented blue diamonds is the Hope Diamond, a 45.52 carat flashy deep grayish-blue, with the first known occurrence in Europe being in 1666 by French jewel entrepreneur Jean-Baptiste Tavernier, after which it was...
- Balises: Gemstones
Blue Lace Agate
Publié par Laura Greenshields le
Composition Blue Lace Agate is a striped Chalcedony and is a member of the Quartz family. It is typically banded in shades of mainly light blue, with brighter blue, whites, and sometimes brown ribbons of pigment. Agate is often named the "rainbow stone" since the concentric bands throughout nature sometimes incorporate virtually any color that the planet makes, even a transparent one. Blue lace agate is located in Africa having extraordinary toughness. History Agate has been found along with the Neolithic objects, and has been used in ancient medicinal amulets and artistic settings for thousands of years. The...
- Balises: Gemstones
Blue Sapphire
Publié par Laura Greenshields le
Composition Sapphire is a kind of precious gemstone, a variation of the mineral corundum that forms in prismatic rhombohedral crystals.Blue is the “true” color of sapphires as it is the most known color, but sapphire often comes in yellow, purple, orange, and green shades. Madagascar is the world leader in sapphire processing, particularly from its mines around the city of Ilakaka while sapphires from Kashmir, Burma, or Sri Lanka are the most coveted. History In the Hebrew tradition, King Solomon and Abraham both wear talisman of sapphire, and the Laws given to Moses on the mount was said to be inscribed...
- Balises: Gemstones
Cacoxenite
Publié par Laura Greenshields le
Composition Cacoxenite is a ferric aluminum phosphate associated with iron ores. Its name derives from the Greek, meaning poor or evil and visitor, since the phosphorus content of Cacoxenite reduced the quality of the iron smelted from the ore comprising it. The first documented appearance of Cacoxanite was in 1825 in the Czech Republic. Healing Properties Cacoxenite is a mineral that provides excellent luck to the bearer. It enriches one to see the positive, helpful and productive powers in all activities and circumstances and to use these forces to gain knowledge and discernment. Cacoxanite is a holistic healer...
- Balises: Gemstones