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是一种以其美丽的玫瑰红至粉红色而闻名的碳酸锰矿物。来自阿根廷的条带状菱锰矿尤为著名，是阿根廷的国石。科罗拉多州Sweet Home矿出产精美的晶体标本。

晶系 Trigonal
矿物分类 05 Carbonates and Nitrates
莫氏硬度 3.5-4.0
比重 3.45-3.70
颜色 Rose-red, pink, brown, gray
光泽 Vitreous
条痕色 White
解理 Perfect rhombohedral {1011}
断口 Conchoidal to uneven
透明度 Translucent
晶体习性 Rhombohedral, massive, banded, stalactitic

莫氏硬度

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.
莫氏硬度 Reference Mineral
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

晶系

Trigonal
Rhodochrosite crystallizes in the Trigonal crystal system.
特性 Value
晶系 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.