Search results for keyword: egypt
Pyrochlore
Malachite
Malachite is a rich, green stone material used for ornamental and decorative purposes, as well as for jewelry. It is found in various shapes, sizes and colors around the world. It is an important spiritual and mystical stone. Its energetic properties are said to help us to align to our h......
1034 
Sophie
hard clay
Clay as one of the most common building materials throughout history, is an excellent material used in ceramics and pottery. Clay is made up of natural minerals that are found in the earth, and is composed primarily of small particles of oxygen and silicon. Clay is typically divided into two categ......
Chrysocolla
Agate is a beautiful stone with a wide range of colors and patterns that make it a favorite among collectors and gem enthusiasts. Also known as “porcelain stone”, agate is a cryptocrystalline form of quartz, the most abundant mineral on earth. While agate is most common in gray to gray-blue hues......
Oxide and hydroxide medicinal minerals
The Oxides and Hydroxides of Minerals
The oxides and hydroxides of minerals have been used as therapeutic agents for thousands of years. In ancient egypt and Greece, physicians used oxides and hydroxides of various minerals to treat various ailments. As knowledge and technology has advanced, resea......
Electrometallurgy
Pyrometallurgy
Pyrometallurgy is a key process in the recovery of metals from ores or other sources. It is a branch of metallurgical engineering that involves the use of high temperatures (usually greater than 1000°C) to extract metals and other materials from their ores, either in their solid o......
barium
Botany is the study of plant life, including anatomy, genetics, ecology, and physiology of plants. The herbarium, meaning place of herbs, is a collection or library of preserved plant specimens used to identify and study the characteristics of different plants. Herbaria are important tools in docu......
Spherical ink
History of Ink
Humans have been writing and leaving marks since the beginning of civilization, and the earliest records of ink date back over five thousand years ago. Ancient Sumerians and egyptians used vines, leaves and bark to create inks for their purposes. The ancient egyptians were the firs......
alum stone
The Alchemist
Life is full of surprises for young Santiago, the protagonist in Paulo Coelhos novel, The Alchemist. An Andalusian shepherd boy, Santiago went on a journey across North Africa and Europe looking for his Personal Legend— facing numerous obstacles along the way. The story serves as a......
mortar
Mortar is a building material used for a variety of construction needs. It is made by mixing sand, water, cement, and other materials to form a paste. Mortar was used as an adhesive to hold together stones and bricks in the construction of ancient buildings. Today, mortar is still used to join mas......
limestone
Limestone
Limestone is a natural material that is used for a variety of applications. It is made up of minerals that were formed millions of years ago, in the midst of geological upheaval. Limestone is found in a variety of forms. In its purest form, it is a white rock composed primarily of calci......
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