What on Earth is This?
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What On Earth is Dumortierite?
Dumortierite is an aluminum borosilicate mineral that can occur in prismatic crystals. Beyond jewelry, Dumortierite has properties that are used in the production of high-grade porcelain. The Physical Properties of...
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What On Earth is Black Kyanite?
Updated July 19, 2023 by Alexandre Baillairge Black kyanite is a silicate mineral commonly found in aluminum-rich metamorphic and sedimentary rocks. The most common color of kyanite is blue. However,...
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What on Earth is Obsidian?
The Physical Properties of Obsidian Obsidian is a mineral-like rock formed as a result of rapidly cooled lava. However, it is not considered a mineral because of its glassy appearance...
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What on Earth is Iolite?
The Physical Properties of Iolite Iolite is a gemstone variety of cordierite. It comes in a range of varying shades of blue, purple, and gray. Its transparency ranges from transparent...
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What on Earth is Aventurine?
The Physical Properties of Aventurine Aventurine is most recognized for its coarse flecks of copper, dispersed within the glass in an unnaturally uniform manner. It is usually a golden brown,...
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What on Earth is Amazonite?
The Physical Properties of the Amazonite Amazonite is also referred to as the Amazon stone. The name was obtained from the Amazon River and the lush jungle region surrounding it...
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What on Earth is Wulfenite?
As interesting as its name, Wulfenite, among other minerals, is composed of the chemical lead molybdate “ far from the usual minerals that have crystalline silicate forms. Wulfenite is considered...
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What on Earth is Tourmaline?
The semi-precious mineral with many uses, Tourmaline, is a crystalline boron silicate that is composed of different elements which give it its ability to come in a variety of mixed...
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What on Earth is Tektite?
Tektites are forms of lumpy amorphous glass which can be found in shades of black, green, brown, or gray. Another fascinating fact about these unusual translucent bodies is that they...
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What on Earth is Ruby?
Regarded as the stone of nobility, rubies are made from the assortment the mineral corundum which gives the gemstone its deep and stunning crimson hue, hence, the name Ruby which...
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What on Earth Is Opal?
The prismatic bliss known as opal is a hydrated form of silicon dioxide with an amorphous character, classifying it as a mineraloid rather than the usual mineral. It has 2...
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What on Earth is Chrysoprase?
If you're avid fan of all things green and shiny, then I'm pretty sure you'll go nuts for the gemstone called chrysoprase. Considered as another variety of chalcedony, this viridescent...
