![]() ![]() Some moss agate can also have black or brown shades throughout the stone. Moss agate also contains unique inclusions, that are green in appearance with a moss-like structure. This variety is more valuable than most other types of agate and makes for unique and beautiful jewelry. It’s mostly colorless, white, or gray, with brown/black diverging inclusions.ĭendritic agate is sometimes called tree agate because its inclusions are dendritic, which means having a branched form like a tree. See it here.ĭendritic agate is a rare variety, that doesn’t have the typical banded pattern of agate. Dendritic Agate Dendritic agate pendant by Opality. These inclusions divide the agate into unique categories. One of the things that makes agate unique is the type of inclusions some varieties have. You can find these in many colors, with red and blue being quite rare. ![]() It is among the rarest and most highly coveted forms of agate. See it here.Īs the name suggests, this variety is reminiscent of beautiful lace with elaborate hoops and swirls. Fire agates are valuable and come with a higher price tag. The stone itself looks fiery due to its reddish-brown color, often combined with little shots or swirls of color. Fire agates are old stones, formed many millions of years ago through volcanic explosions. This beautiful and rare variety of agate comes with an iridescence that sets it apart. Fire Agate Fire agate earrings by Silver Crush. When sliced, fortification agate looks much like a colorful cross-section of an old tree, full of rings. This variety has the famous crystallized bands that follow the contours of the cavity, with all the bands connected to each other. This is the most common type and generally the one that springs to mind when we talk about agates. Fortification Agate Banded agate earrings by Ajla Jewels. It would take a whole article just to list and explain each type of agate, so we’ve only listed some of the most popular varieties below. The many varieties of agate occur based on how the stone is composed, the trace minerals present, and the unique inclusions each stone has. In fact, small agate beads found in the Middle East are thought to be approximately 9000 years old! Types of Agate This is one main reason that makes agate so perfect for jewelry.Īgate is one of the oldest gemstones used in jewelry. This formation can occur either around the walls of the pocket, forming concentric layers, or in layers starting from the bottom up.Īs each new wave of silica deposit is brought in from groundwater, these packed layers continue to grow, creating the banded patterns that easily distinguish agate from other stones.īecause of the way it is formed, each piece of agate is different from the other. When silica is deposited within pockets of igneous rocks, agate begins to slowly form. Agate is found everywhere in the world, most notably in Brazil, Uruguay, and Mexico. Agate is made up of fine, minute crystals, often only visible under a powerful microscope. Agate is a widely found variety of chalcedony, which is a microcrystalline quartz producing gemstones like jasper and onyx. ![]()
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