minerals articles
How often does elemental mercury appear in a pure, native metallic form in the Earth’s crust?
What mineral serves as the principal ore for mercury extraction globally?
What is the characteristic color associated with the mineral cinnabar?
Approximately what percentage of cinnabar’s mass is mercury?
Cinnabar deposits are strongly associated with what type of geological activity?
In the mineral Tiemannite, what element is mercury bound with instead of sulfur?
Which mercury sulfide mineral typically crystallizes in the isometric system?
Mercury ores are generally found in deposits related to what geological process?
What is the standard historical method used to recover mercury from cinnabar ore?
To break down mercuric sulfide during roasting, the ore must typically be heated above what temperature threshold?
In which common accessory mineral might trace amounts of mercury substitute for iron atoms?
What mineral features mercury bound with tellurium?
What property describes a mineral's resistance to scratching or permanent deformation?
What is the most significant factor determining a mineral's hardness?
Which bond type results in exceptionally tough and hard structures like Diamond?
What typically causes an ionic crystal to cleave or break relatively easily when scratched?
Who developed the relative hardness scale commonly used by geologists today?
How is the Mohs scale accurately described regarding measurement type?
How does Graphite differ structurally from Diamond, resulting in a large difference in hardness?
What term describes hardness varying based on the direction the scratch test is applied?
What common object approximates a hardness of about 5.5 in field testing according to the provided chart?