ALUMOKLYUCHEVSKITE Mineral Details

Complete mineralogical data for ALUMOKLYUCHEVSKITE. Chemical Formula: K3Cu3Al(SO4)4O2. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

ALUMOKLYUCHEVSKITE

K3Cu3Al(SO4)4O2

Crystal System

Monoclinic

Crystal Class

Sphenoidal

Space Group

I2

Point Group

2

Structure & Data

Crystal Structure

Sulfates, selenates, tellurates: typified by SO4, SeO4,TeO4 tetrahedra, octahedrally coordinated cations can be insular, corner-sharing, or edge sharing with add’l anions w/o H2O with medium-sized & large cations; □ Cu[4+1] ∆ & SO4 grp form chains // [001] linked by K[7-8]; channels || to chains.1 Structure is based on oxo-centered tetrahedrons (OAlCu3)7+ lined into chains via edges; each chain is surrounded by SO4 tetrahedrons forming structural complex; each complex is elongated along b axis.2

Cell Data

a=18.772Å, b=4.967Å, c=18.468Å, ß=101.66o, Z=4

Geology & Identification

Geologic Occurrence

Fumarolic sublimate, formed above 500o CALUMOKLYUCHEVSKITEALUMOKLYUCHEVSKITE

Habit

As acicular to columnar macro crystals; commonly hollow, in mosslike aggregates

Twinning

Assumed found in crystal structure analysis

Relationships

RELATIONSHIP TO OTHER MINERALS

Al-dominant analog of klyuchevskite

If you are fascinated by the hidden structures of our planet, you have likely come across ALUMOKLYUCHEVSKITE. This mineral is a compelling subject for study, offering a unique glimpse into the complex chemistry that shapes the Earth’s crust.Whether you are a student identifying a hand sample, a researcher looking for crystallographic data, or a collector curious about a new find, this guide breaks down everything you need to know about ALUMOKLYUCHEVSKITE. From its precise chemical formula to the geological environments where it thrives, let’s explore what makes this mineral distinct.

The Chemistry Behind the Crystal

Every mineral tells a story through its chemistry. At its core, ALUMOKLYUCHEVSKITE is defined by the chemical formula K3Cu3Al(SO4)4O2.This isn’t just a string of letters and numbers; it represents the precise recipe of elements that nature used to build this specimen. This specific chemical composition is what gives the mineral its stability and dictates how it reacts with acids, heat, or other minerals. It is the fundamental “DNA” that geologists use to classify it within the larger mineral kingdom.

Crystallography: Geometry in Nature

One of the most beautiful aspects of mineralogy is the hidden geometry within every stone. ALUMOKLYUCHEVSKITE crystallizes in the Monoclinic system.Think of this as the mineral’s architectural blueprint. It dictates the symmetry and the angles at which the crystal faces grow. Digging deeper into its symmetry, it falls under the Sphenoidal.
  • Point Group: 2
  • Space Group: I2
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Why does this matter? These crystallographic details are like a fingerprint. They influence optical properties—how light travels through the crystal—and physical traits like how it breaks or cleaves when struck.

Internal Structure and Unit Cell

If we could zoom in to the atomic level, we would see the “Unit Cell”—the smallest repeating box of atoms that builds up the entire crystal. For ALUMOKLYUCHEVSKITE, the dimensions of this microscopic building block are:
a=18.772Å, b=4.967Å, c=18.468Å, ß=101.66o, Z=4
The internal arrangement of these atoms is described as:Sulfates, selenates, tellurates: typified by SO4, SeO4,TeO4 tetrahedra, octahedrally coordinated cations can be insular, corner-sharing, or edge sharing with add’l anions w/o H2O with medium-sized & large cations; □ Cu[4+1] ∆ & SO4 grp form chains // [001] linked by K[7-8]; channels || to chains.1 Structure is based on oxo-centered tetrahedrons (OAlCu3)7+ lined into chains via edges; each chain is surrounded by SO4 tetrahedrons forming structural complex; each complex is elongated along b axis.2This internal structure is the invisible framework that supports everything we see on the outside, from the mineral’s density to its hardness.

Physical Appearance (Habit)

When you find ALUMOKLYUCHEVSKITE in the field, what does it actually look like? A mineral’s “habit” describes its typical shape and growth pattern.
  • Common Habit: As acicular to columnar macro crystals; commonly hollow, in mosslike aggregates
  • Twinning: Assumed found in crystal structure analysis
Twinning is a fascinating phenomenon where two or more crystals grow interlocked in a specific symmetrical pattern. If ALUMOKLYUCHEVSKITE exhibits twinning, it can be a dead giveaway for identification, distinguishing it from look-alike minerals.
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Where is it Found? (Geologic Occurrence)

Minerals are the products of their environment. They don’t just appear anywhere; they need specific conditions—pressure, temperature, and chemical ingredients—to form.Geologic Occurrence: Fumarolic sublimate, formed above 500o CKnowing this context helps geologists reconstruct the history of a rock formation. It tells us whether the rock was born from cooling magma, settled in an ancient ocean, or was transformed by the intense heat and pressure of metamorphism. For more broad geological context, resources like the U.S. Geological Survey (USGS) provide excellent maps and data.

Related Minerals

No mineral exists in a vacuum. ALUMOKLYUCHEVSKITE is often related to other species, either through similar chemistry or structure.Relationship Data: Al-dominant analog of klyuchevskiteUnderstanding these relationships is key. It helps us see the “family tree” of the mineral world, showing how different elements can substitute for one another to create an entirely new species with similar properties.

Frequently Asked Questions (FAQs)

1. What is the chemical formula of ALUMOKLYUCHEVSKITE?The standard chemical formula for ALUMOKLYUCHEVSKITE is K3Cu3Al(SO4)4O2. This defines its elemental composition.2. Which crystal system does ALUMOKLYUCHEVSKITE belong to?ALUMOKLYUCHEVSKITE crystallizes in the Monoclinic system. Its internal symmetry is further classified under the Sphenoidal class.
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3. How is ALUMOKLYUCHEVSKITE typically found in nature?The “habit” or typical appearance of ALUMOKLYUCHEVSKITE is described as As acicular to columnar macro crystals; commonly hollow, in mosslike aggregates. This refers to the shape the crystals take when they grow without obstruction.4. In what geological environments does ALUMOKLYUCHEVSKITE form?ALUMOKLYUCHEVSKITE is typically found in environments described as: Fumarolic sublimate, formed above 500o C. This gives clues to the geological history of the area where it is discovered.5. Are there other minerals related to ALUMOKLYUCHEVSKITE?Yes, it is often associated with or related to other minerals such as: Al-dominant analog of klyuchevskite.

External Resources for Further Study

For those looking to dive deeper into the specific mineralogical data of ALUMOKLYUCHEVSKITE, we recommend checking high-authority databases:

Final Thoughts

ALUMOKLYUCHEVSKITE is more than just a name on a list; it is a testament to the orderly and beautiful laws of nature. With a chemical backbone of K3Cu3Al(SO4)4O2 and a structure defined by the Monoclinic system, it holds a specific and important place in the study of mineralogy.We hope this overview has helped clarify the essential data points for this specimen. Whether for academic study or personal interest, understanding these properties brings us one step closer to understanding the Earth itself.
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