What is the highest purity quartz?

Author: Dr. Hulda Durgan  |  Last update: Monday, January 19, 2026

The quartz is sourced in Spruce Pine, North Carolina, USA, where the unique geology offers the world's highest purity quartz deposits. From there, products are shipped to a state-of-the-art facility in Drag, Norway, enabling the production of quartz which is 99.998% SiO2.

What is the highest quality quartz?

Premium-grade or first choice quartz is the highest quality and most expensive grade. Grade A quartz is engineered by combining natural quartz with resin and colored pigments. It offers the most intricate patterns and colors, resembling natural stones like granite and marble.

What is the purest form of quartz?

Pure quartz, traditionally called rock crystal or clear quartz, is colorless and transparent or translucent and has often been used for hardstone carvings, such as the Lothair Crystal. Common colored varieties include citrine, rose quartz, amethyst, smoky quartz, milky quartz, and others.

What is world's purest quartz?

The world's purest quartz

Nestled among the peaks of the Blue Ridge Mountains, Spruce Pine has a rich history as the source of the world's highest quality quartz.

What is super pure quartz?

High purity quartz is an important industrial mineral required in the production of micro-electronics and electronics. For most mined quartz, there is an issue overall with impurity and varying consistency in purity that forces additional processing depending on the application the mineral is used for.

Unleash Brilliance with PQI's High-Purity Quartz

What is the highest purity of quartz?

The quartz is sourced in Spruce Pine, North Carolina, USA, where the unique geology offers the world's highest purity quartz deposits. From there, products are shipped to a state-of-the-art facility in Drag, Norway, enabling the production of quartz which is 99.998% SiO2.

What is the most precious quartz?

From the ancient Greek word amethystos (literally, “not drunk”), this wine-colored gem was widely esteemed for its perceived ability to ward off intoxication. While we don't expect Amethyst to cure or prevent a hangover, it remains the most valuable variety of gemstone within the quartz family.

Who sells high purity quartz?

Top 5 High Purity Quartz Companies
  • Australian Silica Quartz Group Ltd.
  • Jiangsu Pacific Quartz Co., Ltd.
  • Russian Quartz LLC.
  • Sibelco.
  • The Quartz Corp.

What is the rarest quartz on earth?

Cotterite is the rarest variety on Earth of the most common mineral on Earth. Cotterite is a type of quartz that was only ever found in County Cork and that shows a unique trait.

Where is the best high purity quartz in the world found?

Situated in the heart of the Appalachian Mountains, Spruce Pine is home to the world's highest quality quartz and has been mined for more than a century.

What are the 3 grades of quartz?

There are three distinct grades of quartz: first choice, commercial-grade, and second choice. Each grade influences cost, durability, and beauty, as well as the overall value of the home.

Is pure quartz expensive?

Average Cost of Quartz Crystal

Therefore, Quartz costs vary. But you can learn about the average or estimated cost. Average common quartz can cost from $1 to $10 (₹83.50 - ₹835.00) per carat. However, when you talk about rare varieties, they cost considerably more.

What is the most natural looking quartz?

Shadow Quartz is one of the most authentic-looking quartz varieties available. Perfect for those who love the earthy charm of natural stone but desire the durability and maintenance ease of quartz. Ideal for both modern and traditional designs, it complements any decor.

How can you tell if quartz is high-quality?

Take a quick visual inspection to determine the uniformity of a slab's thickness and color. A higher grade of quartz will usually contain minimal resins and polymer materials. That combination produces a color-consistent slab during the manufacturing process.

Which quartz brand is most expensive?

Cambria and Silestone are considered to be two of the more expensive types of quartz, but they are also very high-quality brands.

What is the new quartz for 2024?

Trending Quartz Countertop Designs for 2024-2025

Among the most coveted is Calacatta Quartz, revered for its striking resemblance to natural marble and its ability to add elegance to any kitchen.

What is the most sought after crystal?

10 Most Popular Crystals
  • Celestite. ...
  • Citrine. ...
  • Fluorite. ...
  • Garnets. ...
  • Malachite. ...
  • Pyrite (Fools Gold) ...
  • Rhodochrosite. ...
  • Quartz. A couple variations of quartz, amethyst and citrine already appear on this list, but quartz in general is the most common type of crystal people search for.

How can you tell if quartz is valuable?

Quartz's value depends on color and clarity, among other factors, as these two can vary a lot; large quartz exemplars are not uncommon, so carat weight is less of a defining factor - the price per carat will be rather stable for smaller and for bigger stones and will not increase dramatically, proportionally to the ...

What is the most popular type of quartz?

Caesarstone, Silestone, and Cambria Quartz are among the most popular high-end quartz brands, known for their quality and extensive color options. Many quartz manufacturers now produce designs that closely mimic the look of natural stone like marble and granite.

Where is the purest quartz found?

Due to a quirk of geology, the purest quartz in all the world comes from the picturesque town of Spruce Pine, North Carolina. China, India, and Russia provide high-purity quartz as well, but what's mined there does not match the quality or quantity of what lies beneath the Blue Ridge Mountains.

What are the grades of high purity quartz?

The N-Grade, the highest grade with high purity, and N-Grade-EX, which exceeds the N-Grade in ultimate purity, are stably supplied with high yields. High purity materials are used to produce the highest grade synthetic quartz crystal in all quality standards.

What is the best grade of quartz?

High-Grade Quartz Countertops

High-grade quartz is the top-tier option, made with the highest concentration of natural quartz, offering exceptional strength, beauty, and long-lasting durability. It is also called "first choice quartz."

What is the rarest color of quartz?

Derived from the Latin word citrina, meaning "yellow", natural citrine is the rarest of the quartz varieties, which include amethyst, aventurine and prasiolite.

What is the most expensive stone in the world?

Blue Diamond. Here we can make the grand reveal: the blue diamond is the singular most expensive gemstone known to man. It is $3.93 million for every carat. In 2022, the most expensive blue diamond (15 carats) sold for $57 in Hong Kong.

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