of a mineral Not visibly crystalline
Crossword Clue

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AnswerCrossword Clue
massive(of a mineral) Not visibly crystalline
anhedralnoting or pertaining to a mineral grain that does not have its characteristic crystalline form but has a form impressed on it by surrounding grains; anhedral
bismuthinitea grey mineral consisting of bismuth sulphide in orthorhombic crystalline form
bismuthinitesBISMUTHINITE, a grey mineral consisting of bismuth sulphide in orthorhombic crystalline form
cerargyritea mineral consisting of silver chloride in crystalline form, aka horn silver
cerargyritesCERARGYRITE, a mineral consisting of silver chloride in crystalline form, aka horn silver
colemanitesA white crystalline mineral, typically occurring as glassy prisms, consisting of hydrated calcium borate
boehmitesA crystalline mineral compound composed of aluminum oxide and hydroxide and found in bauxite
colemaniteA white crystalline mineral, typically occurring as glassy prisms, consisting of hydrated calcium borate
kainitesmineral, hydrous sulfate of magnesium and potassium chloride, occurring in granular crystalline masses, a source of potassium salts
kainitemineral, hydrous sulfate of magnesium and potassium chloride, occurring in granular crystalline masses, a source of potassium salts
triphylitea bluish-grey rare mineral that consists of lithium iron phosphate in orthorhombic crystalline form and occurs in pegmatites
chalcopyriteA yellow crystalline mineral consisting of a sulfide of copper and iron. It is the principal ore of copper
triphylitesTRIPHYLITE, a bluish-grey rare mineral that consists of lithium iron phosphate in orthorhombic crystalline form and occurs in pegmatites
schistany of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement
titanitemineral, calcium titanium silicate, CaTiSiO5, occurring as an accessory mineral in a variety of crystalline rocks, usually in small wedge-shaped crystals
sphenemineral, calcium titanium silicate, CaTiSiO5, occurring as an accessory mineral in a variety of crystalline rocks, usually in small wedge-shaped crystals
sphenesmineral, calcium titanium silicate, CaTiSiO5, occurring as an accessory mineral in a variety of crystalline rocks, usually in small wedge-shaped crystals
enstatiteA translucent crystalline mineral of varying colors that occurs in some igneous rocks and stony meteorites. It consists of magnesium silicate and is a member of the pyroxene group
graphitesA gray, crystalline, allotropic form of carbon that occurs as a mineral in some rocks and can be made from coke. It is used as a solid lubricant, in pencils, and as a moderator in nuclear reactors
boraxa white crystalline compound that consists of a hydrated sodium borate Na2B4O7À10H2O, that occurs as a mineral or is prepared from other minerals, and that is used especially as a flux, cleansing agent, and water softener, as a preservative, and as a fireproofing agent