Raisbeck Aviation Invitational - WA — Rocks and Minerals

Which mineral has a hardness of 1 on Mohs scale and exhibits a pearly luster?

A student observes a green mineral with a glassy luster and no cleavage. It has a hardness of 6.5-7. Which mineral is most likely?

Which mineral commonly exhibits cubic cleavage?

Malachite and azurite are both examples of which mineral class?

Which property best distinguishes magnetite from hematite?

Which mineral is part of a solid-solution series on the list?

Lepidolite belongs to which mineral group?

A mineral that effervesces vigorously with dilute HCl must contain:

Which mineral is a polymorph of graphite?

Which mineral habit best describes 'branching, tree-like patterns'?

Which statement about fluorescence in minerals is most accurate?

Which silicate structure consists of isolated tetrahedra bonded by cations?

Kyanite is used as an index mineral because it forms:

Which mineral has metallic luster, dark streak, and cleavage in 6 directions?

A fine-grained igneous rock enriched in feldspar and quartz is most likely:

Vesicular texture is most commonly associated with:

Which environment is most likely to form cross-bedding?

Which of the following is a biochemical sedimentary rock?

Marble forms from the metamorphism of:

Which igneous rock forms at a mid-ocean ridge?

Which sequence orders rocks from lower to higher metamorphic grade?

A clastic sedimentary rock composed of angular gravel-sized clasts is:

Which combination of cooling rate and environment best explains a glassy igneous texture?

Schistosity is caused primarily by alignment of:

Chalk is composed mostly of:

Peridotite is an ultramafic rock composed primarily of:

A foliated rock with alternating light and dark mineral bands is:

In Bowen's Reaction Series, which mineral crystallizes at the highest temperature?

Which tectonic setting most commonly produces high-pressure index minerals like glaucophane or lawsonite?

Which mineral is a major ore of copper?

A hydrothermal vein is most likely to contain which secondary copper mineral?

Which environment of deposition is most likely to produce mud cracks?

Which mineral's color is strongly controlled by trace elements such as chromium or iron?

Which process transforms sediment into sedimentary rock through compaction and cementation?

A mineral that shows double refraction when viewed through it is:

Which mineral is used extensively as an abrasive due to its hardness of 9?

Explain how mineral cleavage relates to crystal structure. Provide an example from the 2026 list.

Describe the differences between regional and contact metamorphism and name one rock type commonly formed by each.

Using Bowen's Reaction Series, explain why basalt is more commonly found at mid-ocean ridges than granite.

A sample contains coarse, angular quartz fragments cemented by calcite. Identify the rock, and describe the likely environment of deposition.

Compare and contrast the formation of chemical vs. biochemical sedimentary rocks, including one example of each from the official list.