Question

1. valuable mineral prized for its rarity and beauty
2. the most common mineral group
3. described as either metallic or nonmetallic
4. used to compare the hardness of minerals
5. a measure of density for accurate identification of a mineral
6. another word for nonliving

j. luster
k. streak
l. cleavage
m. fracture
n. specific gravity
o. organic
p. inorganic
q. moh’s scale
r. beisel’s scale

Explanation:

1. Gemstones are valuable minerals prized for rarity and beauty, corresponding to J (Luster is related to appearance but gem - stones are the main concept here).
2. The most common mineral group is silicates, but not in the options. However, the general knowledge helps in understanding the context.
3. Minerals can be metallic or non - metallic, corresponding to P.
4. Moh’s Scale is used to compare the hardness of minerals, corresponding to Q.
5. Specific Gravity is a measure of density for accurate identification of a mineral, corresponding to N.
6. Inorganic means non - living, corresponding to P.

Answer:

1. J
2. (No correct option provided in a strict sense based on common knowledge of silicates being the most common group)
3. P
4. Q
5. N
6. P