Rhodochrosite

MnCO3

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Rhodochrosite is a manganese carbonate (MnCO3) prized for its rose-red to pink color. It crystallizes in the trigonal system, forming rhombohedral crystals as well as massive, banded, and stalactitic aggregates, with a vitreous luster, a white streak, and perfect rhombohedral cleavage. Its Mohs hardness is 3.5 to 4 and its specific gravity 3.45 to 3.70. Banded rhodochrosite from Argentina is especially well known and serves as that country's national mineral, while superb crystallized specimens come from the Sweet Home Mine in Colorado. Its perfect rhombohedral cleavage and translucent vitreous crystals aid identification, and a Mohs hardness of 3.5 to 4 places it among the softer carbonates.

Rhodochrosite is a manganese carbonate mineral prized for its beautiful rose-red to pink color. Banded rhodochrosite from Argentina is particularly famous and is the national mineral of Argentina. Fine crystal specimens come from the Sweet Home Mine in Colorado.

ระบบผลึก Trigonal
หมวดหมู่แร่ธาตุ 05 Carbonates and Nitrates
ความแข็งโมห์ส 3.5-4.0
ความถ่วงจำเพาะ 3.45-3.70
สี Rose-red, pink, brown, gray
ความวาว Vitreous
สีเส้นขูด White
การแตกเรียบ Perfect rhombohedral {1011}
รอยแตก Conchoidal to uneven
ความโปร่งใส Translucent
ลักษณะผลึก Rhombohedral, massive, banded, stalactitic

ความแข็งโมห์ส

Mohs Hardness: 3.5 – 4.0
1 Soft10 Hard
Rhodochrosite has a Mohs hardness of 3.5–4 on the 1–10 mineral hardness scale.
ความแข็งโมห์ส Reference Mineral
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

ระบบผลึก

Trigonal
Rhodochrosite crystallizes in the Trigonal crystal system.
คุณสมบัติ Value
ระบบผลึก Trigonal (Rhombohedral)
Axial Relationships a = b = c, α = β = γ ≠ 90°

Frequently Asked Questions

What is the hardness of Rhodochrosite?
Rhodochrosite has a Mohs hardness of 3.5-4.0.
What crystal system does Rhodochrosite belong to?
Rhodochrosite crystallizes in the Trigonal crystal system.
What color is Rhodochrosite?
Rhodochrosite is typically Rose-red, pink, brown, gray.
What type of luster does Rhodochrosite have?
Rhodochrosite exhibits a Vitreous luster.
What is the chemical formula of Rhodochrosite?
The chemical formula of Rhodochrosite is MnCO3.