Quartz
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Quartz is one of the most common minerals in nature, composed mainly of silica (SiO₂). It comes in a wide variety of colors, shapes and combinations, making it an essential mineral for any mineral collector. Its wide geographical distribution and unique properties make it essential both in its pure form and in combinations with other minerals.
Characteristics of Quartz
These properties make quartz a very versatile and resistant mineral, making it a favorite among collectors.
Chemical composition
Quartz is a silicon dioxide (SiO₂). Its crystalline structure is composed of a tetrahedron of silicon and oxygen. This chemical formula is the same for all varieties of quartz, which
What varies is the presence of impurities that provide different colors.
Hardness
It has a hardness of 7 on the Mohs scale, which makes it resistant to scratches. Thanks to this property, quartz is a durable mineral and perfect for collectors, as it resists wear and the passage of time well.
Color
It varies from colorless to different shades, depending on the inclusions or impurities present. It can come in shades of purple (amethyst), pink (rose quartz), yellow (citrine), green (green quartz) or brown (smoky quartz). The colors result from the inclusion of elements such as iron, titanium, manganese or aluminum.
Crystalline system
Quartz has a trigonal crystal system, meaning its crystals have a hexagonal symmetry. Its most common crystalline form is the hexagonal prism ending in a six-sided pyramid.
Fracture
Quartz has a conchoidal fracture, which means that when broken, it forms curved and smooth surfaces, similar to those of a shell. This property is characteristic of minerals with a compact and uniform crystalline structure.
Glow
Quartz has a glassy shine, giving it a unique visual appeal. In its purest crystalline form, it reflects light in a way that creates a shiny, translucent effect. This shine is maintained even in varieties of quartz with impurities.
Varieties of quartz
Quartz has many varieties, each with unique characteristics, colors and properties that make them special and appreciated. Some of the most notable varieties include:
Cuarzo blanco
White quartz is a pure mineral that offers a fascinating transparency. It is also known as milky quartz due to its milky white color, which is due to the presence of small bubbles of gas or liquid within the crystal. This variety is appreciated for its simplicity and purity, being a staple in any quartz collection.
Outstanding characteristics:
- Color: Milky white.
- Transparency: Translucent to opaque.
Amethyst
Amethyst is a variety of purple quartz, highly appreciated for its beauty and elegance. Its color is due to iron inclusions, and can vary from light tones to a deep violet. It is one of the most popular varieties among collectors and mineral lovers.
Outstanding characteristics:
- Color: Purple in different shades.
- Transparency: Translucent to transparent.
- Origin: Brazil, Uruguay, Madagascar, among others.
Pink Quartz
Pink quartz has a pinkish hue due to inclusions of titanium, manganese or iron. It is a variety associated with love, peace and calm. Its crystals are usually translucent and are commonly found in massive form or in geodes.
Outstanding characteristics:
- Color: Pale pink to deep pink.
- Transparency: Translucent to opaque.
- Origin: Brazil, South Africa, Madagascar, India.
Smoky Quartz
Smoky quartz has a smoky brown hue, varying in intensity depending on aluminum inclusions. This variety can be found in shades ranging from light gray to dark brown almost black.
Outstanding characteristics:
- Color: Smoky brown, dark gray.
- Transparency: Translucent to transparent.
- Origin: Brazil, Switzerland, United States.
Citrine
Citrine is a bright yellow variety of quartz, whose color is due to iron inclusions. It can range from pale yellow to deep gold. It is one of the most coveted varieties due to its rarity in the natural state.
Outstanding characteristics:
- Color: Pale yellow to golden.
- Transparency: Translucent to transparent.
- Origin: Brazil, Madagascar, Russia.
Green Quartz
Green quartz has a greenish hue due to inclusions of minerals such as actinolite or chlorite. It is less common than other varieties of quartz, but highly prized for its unique color.
Outstanding characteristics:
- Color: Light green to dark green.
- Transparency: Translucent to transparent.
- Origin: India, Brazil.
Aqua aura
Aqua aura is a quartz treated to obtain a striking metallic blue color, which is created by bonding gold or silver to its surface. This variety stands out for its iridescent shine, which makes it especially popular among collectors.
Outstanding characteristics:
- Color: Bright metallic blue.
- Transparency: Translucent to transparent.
- Technique: Treated with gold or silver.
Tiger's eye
Tiger's eye is a variety of quartz that contains crocidolite inclusions, which produces golden and brown bands, imitating the eye of a tiger. It is a variety appreciated both for its beauty and its properties.
Outstanding characteristics:
- Color: Golden and brown bands.
- Transparency: Translucent to opaque.
- Origin: South Africa, Australia, India.
Blue Quartz
Blue quartz is a rare and beautiful blue quartz, whose color is due to inclusions of minerals such as dumortierite. It is a rare variety, making it especially coveted among collectors.
Outstanding characteristics:
- Color: Light blue to dark blue.
- Transparency: Translucent to transparent.
- Origin: Brazil, Russia, India.
Quartz var. scepter (scepter)
The quartz var. scepter has a peculiar formation that resembles a scepter or mace, with a larger crystal at the end. This unique structure makes it one of the most fascinating and sought after varieties by collectors.
Outstanding characteristics:
- Shape: Scepter or mace.
- Color: Varies depending on the type of quartz (transparent, purple, etc.).
- Origin: Brazil, Madagascar, India.
Quartz var. chalcedony
Chalcedony is a cryptocrystalline variety with subvariants such as pseudomorphic calcite or anhydrite chalcedony. It has a soft and waxy texture, with a matte shine that makes it very attractive.
Outstanding characteristics:
- Color: White, gray, light blue.
- Transparency: Translucent to opaque.
- Subvariants: Pseudomorphic calcite, anhydrite.
- Origin: India, Turkey, Brazil.
In addition to these main varieties, there are many other varieties and unique combinations that can make your quartz collection truly exceptional. Specimens with inclusions of other minerals such as hematite, galena or pyrite are highly appreciated for their rarity and beauty.
Quartz for collectors
If you are a collector and are looking to buy quartz for your collection, in our online store you will find a wide variety of options. We offer quartz specimens in all their forms, from pure and transparent pieces to fascinating combinations with other minerals.
All of our quartz specimens are carefully selected to guarantee their quality and authenticity, offering collectors a unique experience when purchasing quartz online.
There are many varieties of quartz, some more exclusive and appreciated by collectors due to their rarity, color and combinations with other minerals. The quartz var. Prasem, for example, stands out for its green color, which is due to inclusions of actinolite or chlorite. The chalcedony variety offers fascinating subvariants such as pseudomorphic calcite or anhydrite chalcedony, which provide unique visual complexity. The quartz var. scepter, with its peculiar shape in the shape of a scepter or mace, is also a highly sought-after exclusive specimen.
Unique combinations with other minerals, such as fluorapatite, siderite, pyrite and hematite, can add special value to any collection. On the other hand, quartz with inclusions, such as rutilated quartz (with golden strands of rutile) or tourmaline quartz, feature stunning visual patterns that reflect the beauty and complexity of this mineral.
These varieties are prized for their beauty and complexity, and can add a unique touch to any collection, offering collectors the opportunity to explore the diversity and charm of quartz in all its forms.
Choosing the right quartz for your collection can be a daunting task given the wide variety of types and combinations available. Here are some tips to help you find the best quartz for your collection.
First, define your style. Decide if you prefer pure quartz, with inclusions or combinations with other minerals. For example, the clear, well-formed crystals of pure quartz are highly valued, while var. Scepter, with its peculiar scepter or mace shape, is a unique option. Chalcedony offers fascinating subvariants, such as calcite pseudomorphic chalcedony, and combinations with other minerals, such as fluorapatite or siderite, can add a special touch.
Research the properties and characteristics of each type to make an informed decision. Evaluate factors such as transparency, crystalline formation and combinations with other minerals. Six-sided prismatic crystals, ending in hexagonal pyramids, are especially prized.
Verify authenticity by purchasing from trusted stores or suppliers that offer certifications or guarantees. In our online store, each copy comes with clear details about its origin and authenticity, so you can buy with complete peace of mind.
Lastly, shop according to your budget. Quartz can be found in different price ranges, so set a budget according to what you are willing to invest. Keeping track of details about each piece, such as the type of quartz, origin, year of purchase, and price, will help you keep your collection organized. With these tips, you'll be ready to create a quartz collection that reflects your personal style, with unique and quality pieces.
Quartz minerals and stones at the best price online
In our online quartz store, we pay attention to our natural quartz offers and find the quartz stone you are looking for at the best price. We offer a wide variety of quartz for collectors and mineral lovers in general, from unique pieces to exclusive jewelry. Explore our offers and find the best piece for your collection!
Explore our entire quartz catalog and take home the perfect stone for your collection or to use in alternative therapies. Buying quartz here is easy, safe and affordable. Get your favorite quartz at a cheap price and enjoy all its properties and benefits!
"I discovered var. scepter quartz at an exhibition and was fascinated. Since then, I have added multiple pieces to my collection. Each one tells a unique story"Maria, collector
"I have always been passionate about minerals. Quartz with chlorite inclusions is one of my favorite combinations, and I am delighted with the pieces I have found"Jorge, amateur geologist