1. Pyrite is a yellowish mineral that looks like gold and is commonly called fool’s gold. What is the property of mineral exhibited by pyrite wherein it reflects light and with a metallic look? * A. Color B. Hardness C. Luster D. Streak 2. Quartz can break other than along planes of cleavage. What property of minerals is shown in this situation? * A. Cleavage B. Fracture C. Hardness D. Streak 3. Some minerals like mica has surfaces with planes of weak bonds in the crystals. Thus, its crystals can be peeled like layers of onion. What is the property exhibited by mica? * A. Cleavage B. Fracture C. Hardness D. Tenacity 4. Which property refers to the resistance of minerals to scratching? * A. Cleavage B. Fracture C. Hardness D. Luster 5.What are the building blocks of rocks and it is mostly found in the geosphere? * A. elements B. minerals C. ore D. soil 6.In its powdered form, the mineral hematite is reddish. Which mineral property is best described? * A. color B. hardness C. luster D. streak 7. Which is not a property that can be used to identify a mineral? * A. hardness B. luster C. opaque D. streak 8. What is the property of minerals that reflects light on its surface? * A. color B. crystal structure C. luster D. streak 9. Which refers to a naturally occurring, inorganic solid that has a definite crystalline structure and chemical composition? * A. compound B. crystal C. mineral D. rocks 10. During the 1800’s, miners can identify real gold from pyrite through biting the surface of the mineral. If a bite mark is exhibited, then the said mineral is considered real gold. What property is tested in this scenario? * A. cleavage B. hardness C. luster D. streak color 11. What is a carbonate mineral that occurs in a different crystal form and is less common than either calcite or dolomite? * A. aragonite B. calcite C. gypsum D. silica 12. What constitutes the size, shape and arrangement of mineral grains in a rock? * A. cement B. permeable origin C. porosity D. texture 13. Which of the following is not a characteristic of a mineral? * A. crystal structure B. naturally occurring C. organic D. solid 14. What refers to the tendency for a mineral to break along flat surfaces? * A. cleavage B. hardness Option 3 C. ductility D. tenacity 15. What is the solid form of a mineral produced by a repeating pattern of atoms? * A. crystal B. density C. element D. fracture pasagooot pleaseeeere
Answers 1
1. C. Luster - Luster is how a mineral reflects light.2. B. Fracture - Fracture, in mineralogy, appearance of a surface broken in directions other than along cleavage planes.3. A. Cleavage - Cleavage is the tendency of a mineral to break along flat planar surfaces as determined by the structure of its crystal lattice. These two-dimensional surfaces are known as cleavage planes and are caused by the alignment of weaker bonds between atoms in the crystal lattice.4. C. Hardness - Mohs' hardness is a measure of the relative hardness and resistance to scratching between minerals. 5. B. Minerals - Minerals and rocks are the essential building blocks of the geosphere.6. D. Streak - Streak is the colour of a mineral in its powdered form. It is usually obtained by rubbing the mineral on a hard, white surface, such as a tile of unglazed porcelain, so as to yield a line, or streak, of fine powder.7. C. Opaque - Most minerals can be characterized and classified by their unique physical properties: hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity.8. C. Luster - Luster is how a mineral reflects light.9. C. Mineral - A Mineral is defined as an inorganic, naturally occurring, homogenous solid, with a definite chemical composition, and ordered (crystalline) atomic structures.10. B. Hardness - Hardness is a measure of whether a mineral will scratch or be scratched.11. A. Aragonite - Calcite, dolomite and aragonite are very common in a variety of sedimentary settings and here their formation is often directly or indirectly related to the activity of biological organisms.12. D. Texture - Texture is the description of the size, shape, and arrangement of the mineral grains in a rock.13. C. Organic - A mineral has 5 characteristics; naturally occurring, solid, inorganic, crystalline structure, and the chemical composition. 14. A. Cleavage - Cleavage is the tendency of a mineral to break along flat surfaces. The way in which a mineral breaks depends on how its atoms are bonded, or joined together. In a mineral that displays cleavage, the bonds of the crystal structure are weaker in the directions in which the mineral breaks.15. A. Crystal - A crystal is a solid, geometric form of mineral produced by a repeating pattern of atoms that is present throughout the mineral. The shape of a crystal is deter- mined by the arrangement of atoms within the crystal.
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