7 3 noun n noun
• any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers
Example sentence • The poison derived from aconite is sometimes used in traditional medicine.
8 3 noun n noun
• one of the coiled chambered fossil shells of extinct mollusks
Example sentence • The museum had a beautiful display of ammonite fossils.
8 3 noun n noun
• a variety of chert containing magnetite and hematite; mined as a low-grade iron ore
Example sentence • The taconite deposits in Minnesota are one of the main sources of iron ore in the United States.
8 3 noun, adjective n, adj noun
• a garnet ranging in color from yellow to brown
Example sentence • She wore a beautiful essonite necklace to the party.
10 3 noun n noun
• a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand
Example sentence • The glauconite content of the soil affects its fertility.
9 3 noun n noun
• a garnet ranging in color from yellow to brown
Example sentence • I bought a beautiful hessonite necklace.
8 3 noun, adjective n, adj noun
• a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite
Example sentence • The limonite deposits extend for several kilometers.
8 3 noun n Example sentence • The carpenter used masonite for the cabinet doors.
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• a pink or red mineral consisting of crystalline manganese silicate; used as an ornamental stone
Example sentence • The rhodonite pendant I bought is beautifully carved.
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Example sentence • The military uses cyclonite as a primary ingredient in certain types of bombs.
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Example sentence • The bright yellow color of dawsonite makes it easy to distinguish from other minerals.
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• An intrusive igneous rock composed mostly of plagioclase and orthoclase
Example sentence • The monzonite in the quarry is used for building materials.
8 3 noun, adjective n, adj noun
• a compound that contains a SeO32− anion.
Example sentence • The selenite crystal glowed in the sunlight.
11 4 noun n Example sentence • The majority of the people who live in this neighborhood are suburbanites.
8 3 noun n noun
• fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye
Example sentence • Scientists found a rare aphanite rock formation in the cave.
9 3 noun, adjective n, adj noun
• a solid solution of ferric carbide or carbon in iron; cools to form pearlite or martensite
Example sentence • The steel was heated to allow for the formation of austenite .
9 3 noun n noun
• a member of a religious order living in common
Example sentence • The coenobite dedicated his life to living in a monastery.
7 3 noun n noun
• a grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory
Example sentence • The cyanite gemstone is known for its beautiful blue color.
6 2 noun n noun
• a mixture of cement and sand and water that is sprayed on a surface under pneumatic pressure
Example sentence • The swimming pool was constructed using gunite , which allowed for more creative designs than traditional concrete.
9 3 noun, adjective n, adj noun
• a green transparent form of the mineral spodumene used as a gemstone
Example sentence • The largest hiddenite crystal ever found weighed 13.4 kilograms.
8 3 noun n noun
• a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium
Example sentence • The beach sand contained traces of ilmenite .
7 3 noun n noun
• a grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory
Example sentence • Jewelers often use kyanite to create beautiful gemstone jewelry.
9 3 noun n noun
• a black mineral consisting of basic manganese oxide; a source of manganese
Example sentence • The chemical formula of manganite is MnO(OH).
9 3 noun n noun
• a kind of pink beryl used as a gemstone
Example sentence • She wore a beautiful morganite pendant to the party.
9 3 noun n noun
• a silver-white mineral consisting of silver gold telluride; a source of gold in Australia and America
Example sentence • Miners discovered a large deposit of sylvanite in the remote mountains.
9 3 noun n noun
• a hard nonresilient rubber formed by vulcanizing natural rubber
Example sentence • The jewelry was made of vulcanite , a type of hardened rubber material.
8 3 noun n noun
• Any of a group of silicate minerals that are a source of rare earth metals.
Example sentence • The allanite crystals were carefully examined under a microscope.
8 3 noun, adjective n, adj noun
• A black variety of andradite.
Example sentence • The jeweler used melanite to create a stunningly dark necklace.
7 2 noun n
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Example sentence • The ancient Egyptians used sienite for building statues and monuments.
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• A trichroic violet-blue variety of the mineral zoisite mined in Tanzania, used as a gemstone.
Example sentence • She bought a beautiful tanzanite pendant as a gift.
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Example sentence • The tiemannite crystals were found in the mercury mines of Mexico.
11 4 noun n noun
• a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds
Example sentence • The mineral molybdenite is commonly found in porphyry copper deposits.
11 5 noun n noun
• a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
Example sentence • The vesuvianite crystals found in that mine are highly prized by collectors.
10 4 noun, adjective n, adj
No meanings yet for this word...
Example sentence • The exurbanite enjoyed the serene and peaceful life away from the city.
9 4 noun n noun
• Any monoclinic pyroxene that is a mixed calcium, magnesium and ferrous silicate
Example sentence • The geologist identified the mineral as pigeonite under the microscope.
11 4 noun n noun
• A fibrous neosilicate mineral, polymorphic with andalusite and kyanite, with the chemical formula Al2SiO5.
Example sentence • The blades of sillimanite can be fine-grained and elongated.
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Example sentence • Miners discovered a large deposit of thorianite in the mountains.
9 3 noun, adjective n, adj noun
• a member of an Anabaptist movement in Holland noted for its simplicity of life
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Example sentence • The arragonite crystal structure is orthorhombic.
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Example sentence • The mining company discovered a large deposit of gilsonite in the mountains.
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Example sentence • She used xylonite buttons to fasten her coat.
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• a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
Example sentence • The color of fergusonite can range from dark brown to black.
9 3 noun n noun
• a rare reddish-grey mineral consisting of a copper iron germanium sulfide
Example sentence • The geologist discovered a new vein of germanite while exploring the mine.
8 3 noun, adjective n, adj
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Example sentence • The basanite deposits in this region are extensive.
8 3 noun, adjective n, adj
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Example sentence • Prolonged exposure to erionite fibers can lead to serious respiratory problems.
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Example sentence • The luxullianite quarries in Cornwall were once a prominent source of the stone for construction.
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