(1) Which of the following is a quantitative property of minerals? a. Cleavage b. Hardness c. Luster d. Streak (2) Which of the following is NOT a characteristic of minerals? a. Occur in gaseous One part of the definition of the term mineral is that minerals are crystalline solids...
Lesson 3-what is mineral
Why is density important to mineralogy? How are minerals classified? Why do minerals have different colors? Why is feldspar important? Why is the size of particulate matter important? Why are most rocks made of silicate minerals? How does mineral growth occur? Why is s...
The white "m" on a piece of M&M's candy is a titanium oxide pigment, most likely produced from the mineral rutile. Structure of the mineral halite: The mineral "halite" has a chemical composition of NaCl. That means it contains equal numbers of sodium and chloride atoms. In this case...
A narrow mass of rock intersecting other rocks, and filling inclined or vertical fissures not corresponding with the stratification; a lode; a dike; - often limited, in the language of miners, to a mineral vein or lode, that is, to a vein which contains useful minerals or ores. Vein A ...
One of these changes is shock-fractured quartz grains. Bits of quartz (a common mineral in the earth's crust) will break in an unusual way only from intense heat and pressure. The only other place shock-fractured quartz is found is at ground zero of atomic explosions (where a nuclear ...
The authors describe it as a 1.61-carat mineral that's reddish orange in color, has a white streak, and features a transparent adamantine luster. The gem is brittle with three cleavage planes (breaks along three distinct planes of weakness) and a conchoidal fracture (a breakage with curved,...
I found them in a pegmatite on Selechka Mountain. Streak is white,opaque, no reaction with HCL. Softer than quartz. 83996540_632064374227061_6313770536946106368_n.jpg Mineral:Epidote or Apatite or...? Locality: Selechka Mountain, Prilep, Mariovo, Republic of North Macedonia ...
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A flake; also, a lock, as of wool. Flake To cover, mark, or overlay with or as if with flakes. Fleck A spot; a streak; a speckle. Life is dashed with flecks of sin. Flake To lay out (a rope or sail, for example) in loose folds. Fleck To spot; to streak or stripe; to ...