CUPROMAKOPAVONITE Mineral Details

Complete mineralogical data for CUPROMAKOPAVONITE. Chemical Formula: Pb4Ag3Cu8Bi19S38. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

CUPROMAKOPAVONITE

Pb4Ag3Cu8Bi19S38

Crystal System

Monoclinic

Crystal Class

Prismatic

Space Group

C2/m

Point Group

2/m

Structure & Data

Crystal Structure

Pb sulfosalts based on large 2D fragments of PbS/SnS archetype.1 Unusually high value of c parameter results from: (1) regular alteration of pavonite-like N = 4 & 5 layers in structure; (2) regularly oriented distribution of pairs of Bi ∆ & pairs of Pb-Bi prisms in thin slabs of structure; (3) appearance of new 3-coordinated Cu site instead of octahedrally coordinated Ag site in thin slabs.2 Pavonite homologous series represents sulfosalt structure with thinner slabs than described for pavonite (#4) type (octahedra & paired □∆) with galena-like slabs of variable thickness; compounds with 2, 3, 4, 5, 7 octahedra per diagonal chain of galena-like layer are denoted as pavonite homologues 2P thru 7P; in gen NP has N octahedra in diagonal chain & its chemical formula is MeN+1octBi2sp.pyr.SN+5; members of series are in order of increasing N ~PbBi4S7, ~CuBi5 S8 (or Cu1.6Bi4.8S8), Ag2Bi6S10 (pavonite) & ~Ag3Bi7S12 (benjaminite).3

Cell Data

a=13.405Å, b=4.016Å, c=31.083Å, ß=93.064o, Z=1

Geology & Identification

Geologic Occurrence

In skarn of granitic magma and dolomites; sulphosalt bearing quartz veins, hosted by paleozic amphibolites, hornblendites,granite gneissesCUPROMAKOPAVONITECUPROMAKOPAVONITE

Habit

Twinning

Relationships

RELATIONSHIP TO OTHER MINERALS

Benjaminite group

If you are fascinated by the hidden structures of our planet, you have likely come across CUPROMAKOPAVONITE. 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 CUPROMAKOPAVONITE. 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, CUPROMAKOPAVONITE is defined by the chemical formula Pb4Ag3Cu8Bi19S38.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. CUPROMAKOPAVONITE 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 Prismatic.
  • Point Group: 2/m
  • Space Group: C2/m
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.
READ ALSO  BUDDINGTONITE Mineral Details

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 CUPROMAKOPAVONITE, the dimensions of this microscopic building block are:
a=13.405Å, b=4.016Å, c=31.083Å, ß=93.064o, Z=1
The internal arrangement of these atoms is described as:Pb sulfosalts based on large 2D fragments of PbS/SnS archetype.1 Unusually high value of c parameter results from: (1) regular alteration of pavonite-like N = 4 & 5 layers in structure; (2) regularly oriented distribution of pairs of Bi ∆ & pairs of Pb-Bi prisms in thin slabs of structure; (3) appearance of new 3-coordinated Cu site instead of octahedrally coordinated Ag site in thin slabs.2 Pavonite homologous series represents sulfosalt structure with thinner slabs than described for pavonite (#4) type (octahedra & paired □∆) with galena-like slabs of variable thickness; compounds with 2, 3, 4, 5, 7 octahedra per diagonal chain of galena-like layer are denoted as pavonite homologues 2P thru 7P; in gen NP has N octahedra in diagonal chain & its chemical formula is MeN+1octBi2sp.pyr.SN+5; members of series are in order of increasing N ~PbBi4S7, ~CuBi5 S8 (or Cu1.6Bi4.8S8), Ag2Bi6S10 (pavonite) & ~Ag3Bi7S12 (benjaminite).3This 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 CUPROMAKOPAVONITE in the field, what does it actually look like? A mineral’s “habit” describes its typical shape and growth pattern.
  • Common Habit: 
  • Twinning: 
READ ALSO  LÖLLINGITE Mineral Details
Twinning is a fascinating phenomenon where two or more crystals grow interlocked in a specific symmetrical pattern. If CUPROMAKOPAVONITE exhibits twinning, it can be a dead giveaway for identification, distinguishing it from look-alike minerals.

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: In skarn of granitic magma and dolomites; sulphosalt bearing quartz veins, hosted by paleozic amphibolites, hornblendites,granite gneissesKnowing 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. CUPROMAKOPAVONITE is often related to other species, either through similar chemistry or structure.Relationship Data: Benjaminite groupUnderstanding 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 CUPROMAKOPAVONITE?The standard chemical formula for CUPROMAKOPAVONITE is Pb4Ag3Cu8Bi19S38. This defines its elemental composition.2. Which crystal system does CUPROMAKOPAVONITE belong to?CUPROMAKOPAVONITE crystallizes in the Monoclinic system. Its internal symmetry is further classified under the Prismatic class.
READ ALSO  CROWNINGSHIELDITE Mineral Details
3. How is CUPROMAKOPAVONITE typically found in nature?The “habit” or typical appearance of CUPROMAKOPAVONITE is described as . This refers to the shape the crystals take when they grow without obstruction.4. In what geological environments does CUPROMAKOPAVONITE form?CUPROMAKOPAVONITE is typically found in environments described as: In skarn of granitic magma and dolomites; sulphosalt bearing quartz veins, hosted by paleozic amphibolites, hornblendites,granite gneisses. This gives clues to the geological history of the area where it is discovered.5. Are there other minerals related to CUPROMAKOPAVONITE?Yes, it is often associated with or related to other minerals such as: Benjaminite group.

External Resources for Further Study

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

Final Thoughts

CUPROMAKOPAVONITE 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 Pb4Ag3Cu8Bi19S38 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.
Scroll to Top