Margret Call

Written by Margret Call

Modified & Updated: 28 Sep 2024

30-facts-about-bobfergusonite
Source: Mindat.org

What is Bobfergusonite? This rare mineral, named after Canadian mineralogist Bob Ferguson, is a phosphate mineral found in granitic pegmatites. Bobfergusonite typically appears in colors ranging from yellow to brown, sometimes even greenish. Its unique crystal structure and composition make it a subject of interest for geologists and mineral collectors alike. Found primarily in Canada, Brazil, and Namibia, this mineral is not just a pretty face; it also contains elements like sodium, manganese, and iron. Bobfergusonite is often studied for its complex chemistry and intriguing formation process. Ready to learn more? Let’s dive into 30 fascinating facts about this captivating mineral!

Key Takeaways:

  • Bobfergusonite is a rare and fascinating mineral with a striking yellow color, found in places like Canada, the USA, and Mozambique. It's valued by collectors and scientists for its unique properties and contribution to Earth's mineral diversity.
  • Despite being challenging to find and not widely used, bobfergusonite plays a significant role in understanding geological processes, and its discovery in Canada was a big deal for mineral enthusiasts. Its yellow color comes from manganese and iron, and it's safe to handle and study.
Table of Contents

What is Bobfergusonite?

Bobfergusonite is a rare phosphate mineral named after Canadian mineralogist Robert Ferguson. It has a unique chemical composition and crystal structure, making it a subject of interest for mineral collectors and geologists alike. Let's dive into some fascinating facts about this intriguing mineral.

  1. Bobfergusonite was first discovered in 1986 in the Big Fish River area of Yukon, Canada.

  2. The mineral is named in honor of Robert B. Ferguson, a renowned Canadian mineralogist.

  3. Its chemical formula is Na2Mn5Fe4(PO4)6, indicating it contains sodium, manganese, iron, and phosphate.

  4. Bobfergusonite typically forms in granitic pegmatites, which are coarse-grained igneous rocks.

  5. The mineral is known for its striking yellow to brownish-yellow color.

Physical Properties of Bobfergusonite

Understanding the physical properties of bobfergusonite can help identify it in the field. Here are some key characteristics to look out for.

  1. Bobfergusonite has a Mohs hardness of 5, making it relatively hard but not as hard as quartz.

  2. It has a vitreous to greasy luster, giving it a shiny appearance.

  3. The mineral exhibits perfect cleavage in one direction, meaning it can split easily along a specific plane.

  4. Bobfergusonite has a specific gravity of 3.7, which is considered heavy for a non-metallic mineral.

  5. It crystallizes in the monoclinic crystal system, which means its crystals are shaped like skewed rectangles.

Where Can You Find Bobfergusonite?

Bobfergusonite is not commonly found, but there are a few notable locations where it has been discovered. Here are some places where you might come across this rare mineral.

  1. The Big Fish River area in Yukon, Canada, is the type locality for bobfergusonite.

  2. It has also been found in the Tanco Mine in Manitoba, Canada, which is known for its rich pegmatite deposits.

  3. Bobfergusonite occurrences have been reported in the Black Hills of South Dakota, USA.

  4. The mineral has been discovered in the Alto Ligonha pegmatite field in Mozambique.

  5. Small amounts of bobfergusonite have been found in the Kola Peninsula in Russia.

Uses and Significance of Bobfergusonite

While bobfergusonite is not widely used in commercial applications, it holds significance in other areas. Here are some ways this mineral is valued.

  1. Bobfergusonite is highly prized by mineral collectors due to its rarity and unique properties.

  2. It is studied by geologists to understand the formation and evolution of granitic pegmatites.

  3. The mineral's composition provides insights into the geochemical processes that occur in pegmatite environments.

  4. Bobfergusonite can be used as a reference material for analytical techniques in mineralogy.

  5. It contributes to the overall diversity and richness of Earth's mineralogical landscape.

Fun Facts About Bobfergusonite

Let's wrap up with some fun and lesser-known facts about bobfergusonite that you might find interesting.

  1. Bobfergusonite is often found in association with other rare minerals like eosphorite and triphylite.

  2. The mineral's name is sometimes abbreviated to "BFO" in scientific literature.

  3. Bobfergusonite crystals can sometimes exhibit a phenomenon called pleochroism, where they appear different colors when viewed from different angles.

  4. The mineral's discovery in the Big Fish River area was a significant find for Canadian mineralogy.

  5. Bobfergusonite is not radioactive, making it safe to handle and study.

  6. The mineral's unique yellow color is due to the presence of manganese and iron in its structure.

  7. Bobfergusonite is not soluble in water, which helps preserve its crystals in natural environments.

  8. The mineral's perfect cleavage makes it challenging to cut and polish for gemstone purposes.

  9. Bobfergusonite is often used in educational settings to teach students about rare phosphate minerals.

  10. Despite its rarity, bobfergusonite continues to captivate the interest of mineral enthusiasts and researchers worldwide.

Bobfergusonite: A Hidden Gem

Bobfergusonite, a rare phosphate mineral, holds a unique place in the world of geology. Found primarily in Canada, this mineral's striking colors and crystal formations make it a collector's dream. Its composition includes elements like sodium, manganese, and iron, giving it a distinct chemical signature.

Despite its rarity, bobfergusonite has practical applications in scientific research, particularly in studying phosphate minerals. Its discovery in the 20th century added a new chapter to mineralogy, showcasing nature's ability to create complex and beautiful structures.

For those fascinated by geology, bobfergusonite offers a glimpse into the Earth's hidden treasures. Whether you're a seasoned collector or a curious learner, this mineral's story is a reminder of the endless wonders waiting to be uncovered beneath our feet. Keep exploring, and who knows what other hidden gems you'll find!

Frequently Asked Questions

What exactly is bobfergusonite?
Bobfergusonite is a rare mineral, known for its unique composition and structure. Found in specific geological settings, this mineral has sparked interest among geologists and collectors alike. Its distinct characteristics make it a subject of study in understanding mineral formation and properties.
Where can you find bobfergusonite?
This mineral isn't something you'd stumble upon just anywhere. It's primarily discovered in specialized rock formations and specific locations around the globe. Canada, for example, is one notable spot where bobfergusonite has been unearthed, particularly in the province of Manitoba at the Tanco Mine.
Why is bobfergusonite important?
Beyond its rarity, bobfergusonite holds significance in scientific research. Its unique properties can offer insights into geological processes and the conditions under which certain minerals form. For collectors, its scarcity and distinctiveness make it a prized possession.
How was bobfergusonite named?
Named in honor of a Canadian geologist, Bob Ferguson, this mineral pays tribute to his contributions to the field of geology. His work, particularly in the area where bobfergusonite was first discovered, highlights the tradition of naming new minerals after notable figures in science.
Can bobfergusonite be used in jewelry?
While its rarity might make it seem like an attractive option for unique jewelry pieces, bobfergusonite isn't commonly used in the industry. Its value is more appreciated among mineral collectors and researchers than in jewelry making, mainly due to its scarcity and the preference for more durable gemstones in adornments.
How do you identify bobfergusonite?
Identifying bobfergusonite involves examining its physical and chemical properties. Experts look for its characteristic color, crystal structure, and composition, often requiring specialized equipment. For those not in the field, distinguishing this mineral might be challenging without the help of a professional.
What makes bobfergusonite so rare?
Its rarity stems from a combination of factors, including the specific conditions required for its formation and its limited distribution in nature. Only a few places worldwide have the right geological settings for bobfergusonite to form, making encounters with this mineral exceptionally uncommon.

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