Cinnabar

HgS

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Cinnabar, the principal ore of mercury, is a mercury sulfide (HgS) and one of the densest non-metallic minerals, with a specific gravity between 8.10 and 8.20. It crystallizes in the trigonal system, forming rhombohedral, massive, or encrusting habits, and typically develops near volcanic hot springs and fumaroles. The mineral has an adamantine luster, a scarlet streak, perfect prismatic cleavage, and a low Mohs hardness of 2 to 2.5. Its striking scarlet color made cinnabar a prized pigment, known as vermilion, from antiquity onward, though its mercury content renders the raw material toxic to handle. Its high density and perfect prismatic cleavage aid identification where the scarlet color alone would be ambiguous.

Cinnabar는 수은의 주요 광석이며 가장 밀도가 높은 비금속 광물 중 하나이다. 그 선명한 주홍색은 고대부터 귀중한 안료(진사)로 사용되어 왔다. 주로 화산 온천과 분기공 주변에서 형성된다.

결정계 Trigonal
광물 분류 02 Sulfides and Sulfosalts
모스 경도 2.0-2.5
비중 8.10-8.20
색상 Scarlet red, brownish-red
광택 Adamantine
조흔색 Scarlet
벽개 Perfect prismatic {1010}
단구 Conchoidal to uneven
투명도 Translucent
결정 습성 Rhombohedral, massive, encrusting

모스 경도

Mohs Hardness: 2.0 – 2.5
1 Soft10 Hard
Cinnabar has a Mohs hardness of 2–2.5 on the 1–10 mineral hardness scale.
모스 경도 Reference Mineral
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

결정계

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

Frequently Asked Questions

What is the hardness of Cinnabar?
Cinnabar has a Mohs hardness of 2.0-2.5.
What crystal system does Cinnabar belong to?
Cinnabar crystallizes in the Trigonal crystal system.
What color is Cinnabar?
Cinnabar is typically Scarlet red, brownish-red.
What type of luster does Cinnabar have?
Cinnabar exhibits a Adamantine luster.
What is the chemical formula of Cinnabar?
The chemical formula of Cinnabar is HgS.