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Color is the most unreliable diagnostic property of minerals like quartz because it can be easily influenced by impurities, resulting in varying colors. This makes color alone insufficient for accurate mineral identification.
False. While color is a noticeable property of minerals, it is not the most reliable diagnostic characteristic due to variations caused by impurities and environmental factors. Other properties, such as hardness, streak, luster, and crystal structure, provide more consistent and definitive identification of minerals. Therefore, relying solely on color can lead to misidentification.
The most common mineral group contains silicate minerals.
The most diagnostic physical property of a mineral is its hardness, which is measured on the Mohs scale. Hardness indicates how resistant a mineral is to scratching and can help distinguish between different minerals. For example, talc is the softest mineral on the scale (1), while diamond is the hardest (10). Other important properties include color, luster, and streak, but hardness is often the most reliable for identification.
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feldspar : this family includes the most common and most abundant of all minerals; smooth cleavage surfaces aid in identification
Feldspar
While Minerals may share apparent colours, most do not share both colour and hardness, as well as the fact that the colour can be more accurately identified from the mineral's powder.
Density is the least useful property for identification because different specimens of the same type of mineral can vary in size. -Color is the least useful property for identification because it is the most obvious property.
No - most minerals are inorganic.
No - most minerals are inorganic.
Many minerals have similar color, and mineral color can be altered by trace amounts of impurities or by weathering. A better indicator would be the mineral's streak, which is the color of the mineral when powdered, although this characteristic can't be used alone in mineral identification.