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What type of mineral is argentite?
Argentite (cubic silver sulphide) is only stable above 173 C. The mineral form of silver sulphide (except very deep, I guess) is the monoclinic form: acathite. Silver sulphide is a member of the galena group either way.
What does galena look like?
Galena is a mineral that typically appears as shiny, metallic-looking silver to lead-gray crystals. It has a distinctive cubic crystal structure and is quite heavy compared to other minerals of similar size.
Is the crystalline structure of galena cubic?
Yes the structure of Galena is cubic
What is galena's cleavage?
Galena's cleavage is cubic.
Does Galena always split into small cubes?
No, Galena does not always split into small cubes. While Galena commonly forms cubic crystals due to its crystal structure, it can also occur in other forms and crystal habits depending on its growth conditions.
What mineral exhibits a cubic?
Pyrite is a mineral that exhibits a cubic crystal structure. It has a distinct metallic luster and a brassy yellow color, often forming cubic or pyritohedral crystals.
What is galena's fracture?
Galena's fracture is subconchoidal, and its cleavage is cubic. See http://www.minerals.net/mineral/sulfides/galena/galena.htm for a complete chart about galena's properties.
In the unit cell of galena six square of equal size each form 90 degree angles with every adjacent face?
In the unit cell of galena (PbS), the structure is characterized by a cubic arrangement where each face is a square. The angles between adjacent faces are 90 degrees, reflecting its isometric crystal system. This cubic symmetry is typical of galena, which often forms well-defined cubic crystals. The equal size of the faces contributes to the overall stability and distinct appearance of the mineral.
What is cleavage of Galena?
Cleavage of galena is the tendency of the mineral to break along planes of weakness, resulting in smooth, flat surfaces. Galena exhibits perfect cleavage in three directions at right angles to each other, producing cubic or octahedral shapes. This property is a result of the crystal structure of galena.
What is the specific gravity of galena?
the specific gravity of galena is 7.4-7.6, so the average is 7.5
Does Galena and halite have the same chemical composition and different crystalline structures?
Galena and halite have different chemical compositions. Galena is lead sulfide (PbS), while halite is sodium chloride (NaCl). Both minerals have distinct crystalline structures: galena has a cubic crystal structure, while halite has a cubic crystal structure as well.
An unidentified mineral that is softer than calcite that exhibits a metallic luster and cubic cleavage?
The mineral might be pyrite, which has a hardness lower than calcite, a metallic luster, and cubic cleavage. Pyrite's hardness is around 6-6.5 on the Mohs scale, compared to calcite's 3. It forms cubic crystals and has a brassy color.
