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Elements
Marble
Replace
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Replaced
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Replacement
Alloy
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Matrix
Replacing
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Emerald cut
Melee
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Resinous
Alluvial
Enaniotropic
Mesothermal vein
Resinous luster
Alluvial deposit
Encrust
Metal
Resistance
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Alluvium
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Reticulated
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Engraving
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Alter
Environment
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Rhombic dodecahedron
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Epimorph
Metamorphasized
Rhombohedral
Altered
Epitaxial overgrowth
Metamorphic
Rhombohedral cleavage
Amalgam
Epitaxy
Metamorphic rock
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Epsom salts
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Rift
Ammonium hydroxide
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Amphibole
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Rock crystal
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Erosion
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Rock shop
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Rock-forming mineral
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Evaporation
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Rosette
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Meteor
Rough
Anion
Evaporite deposit
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Round
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Even fracture
Meteoroid
Rusting
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Exfoliate
Mica
Rutilated
Antimonides
Extract
Mica group
Rutile twin
Apatite group
Extraction
Micaceous
Saccharoidal
Aqua fortis
Extraterrestrial
Microcrystal
Saline
Aqua regia
Extrusive
Microcrystalline
Saline deposit
Aqueous
Face
Micromount
Saline lake
Aragonite group
Facet
Miller Index
Salinity
Arborescent
Faceted
Miller indices
Salt
Argentiferous
Faceting
Mine
Salt dome
Argillacious
Fault
Miner
Salt Lake
Arid
Feldspar
Mineral
Sand
Arsenates
Feldspar group
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Sandstone
Arsenide
Feldspathoid
Mineral series
Sassuritization
Arsenides
Feldspathoid group
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Scalenohedral
Asbestos
Felsic
Mineralogical
Scalenohedron
Asbestos amphibole
Ferrian
Mineralogically
Scales
Asterism
Ferroginous
Mineralogist
Scaly
Asteroid
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Scepter
Asymmetrical
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Schiller
Atom
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Mining
Schist
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Fiber
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Mohs Hardness scale
Scoria
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Filiform
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Atomical arrangement
Fire
Molecular
Secondary mineral
Atomically
Fishtail twin
Molecular arrangement
Sectile
Auriferous
Fissile
Molecular structure
Sectility
Autochthonous
Fissility
Molecule
Sediment
Aventurescence
Flaky
Mollusk
Sedimentary
Aventurization
Flame test
Molten
Sedimentary rock
Axes
Flat
Molten rock
Sedimentation process
Axis
Flaw
Molybdates
Selenides
Axis of symmetry
Flawless
Monochromatic
Selvage
Band
Flexibility
Monoclinic
Semi-metal
Banded
Flexible
Monotropic
Semi-metallic
Banding
Flexible and elastic
Mother of pearl luster
Semi-metallic elements
Basal
Flexible but inelastic
Mother rock
Semi-precious
Basal cleavage
Floater
Mother-of-pearl
Semi-precious gemstone
Basal pinacoid
Floater crystal
Mottled
Series
Basalt
Flow banding
Multicolored
Setting
Base
Flowstone
Multiple oxides
Shaft
Basic
Fluoresce
Mylonite
Shale
Batholith
Fluorescence
Nacre
Sheaflike
Bead test
Fluorescent
Nacreous
Sheet silicates
Bed
Fluorescent lamp
Native
Shelly fracture
Bedding
Fluorite twin
Native elements
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Bedrock
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Natural glass
Silica
Belemnite
Fluvial deposit
Nepheline syenite
Silica gel
Beta rays
Flux
Nesosilicates
Silica group
Bipyramid
Fold
Neutron
Silicafied
Bipyramidal
Foliated
Nitrate
Silicate
Bipyramidal hexagon
Form
Nitrates
Silicates
Bipyramidal hexagonal
Formula
Nitrates Group
Siliceous
Bipyramidal hexagonal prism
Fossil
Nitric acid
Silky
Birefringence
Fossiliferous
Nodular
Silky luster
Birthstone
Fossilization
Nodule
Sill
Bitumen
Fossilize
Non-crystalline
Silt
Bituminous
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Fourling
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Fracture
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Sinter
Boiling point
Framework silicates
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Sixling
Bond
Freezing point
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Skarn
Borate
Friable
Nucleus
Skeletal
Borates
Fulgurite
Nugget
Slab
Borax
Fumarole
Obsidian
Slag
Botryoid
Fusion
Occurrence
Slate
Botryoidal
Gabbro
Ochre
Smelt
Boule
Gamma rays
Octacube
Smooth fracture
Brass
Gangue
Octagon
Snakehead
Breccia
Gangue material
Octahedra
Soil
Brecciated
Garnet Group
Octahedral
Solid solution
Brilliant cut
Garnet paper
Octahedral cleavage
Solidify
Brilliant luster
Geiger counter
Octahedral cube
Solubility
Brine
Gem
Octahedron
Soluble
Brittle
Gemminess
Oil of vitriol
Solution
Bronze
Gemmy
Oiling
Solvent
Brownspar
Gemological
Oily luster
Sorosilicates
Bullion
Gemologist
Oolite
Spar
Cabochon
Gemology
Oolitic
Specific gravity
Calcareous
Gemstone
Opalesce
Specimen
Calcic
Geode
Opalescence
Spectra
Calcite group
Geologic
Opalescent
Spectral
Cameo
Geological
Opalization
Spectrograph
Capillary
Geologist
Opalize
Spectrometer
Carat
Geology
Opaque
Spectrophotometer
Carbonate
GIA
Open Pit
Spectroscope
Carbonates
Gilson Process
Optical
Spectroscopy
carbonatite
Girdle
Optical properties
Spectrum
Carlsbad twin
Glass
Optics
Sphenoidal
Carved
Glassy luster
Ore
Spherical
Carving
Glauber's salt
Organic
Spherulite
Cassiterite twin
Globular
Orthorhombic
Spherulitic
Cast
Gneiss
Orthosilicates
Spinel twin
Casting
Goniometer
Outcrop
Spinel-law twin
Cat's eye
Gossan
Oval
Splendent luster
Cat's eye effect
Grain
Overtone
Splinter
Cation
Grainy
Oxidation
Splintery
Catseye
Gram
Oxidation minerals
Splintery fracture
Cave
Granite
Oxidation zone
Square
Cavern
Granitic
Oxide
Stable
Cavities
Granular
Oxides
Stalactite
Cavity
Gravel
Oxidize
Stalactitic
Cementation zone
Gravity
Oxidized
Stalactitically
Center of symmetry
Greasy
Oxidized zone
Stalagmite
Chain silicates
Greasy luster
Paleontologist
Stalagmitic
Chalk
Greenschist
Paleontology
Staurolite twin
Chatoyancy
Greenstone
Pallasite
Stellate
Chatoyant
Group
Panning
Stock
Chemical
Grouping
Paragenesis
Stone
Chemical bond
Guano
Paramagnetic
Strahler
Chemical composition
Gwindel
Paramagnetism
Strata
Chemical formula
Habit
Paramorph
Stratification
Chemical structure
Hackly
Parting
Stratum
Chemist
Halides
Patina
Streak
Chemistry
Halogen
Pear
Streak plate
Chert
Hard water
Pearl
Striated
Chondrite
Hardness
Pearly
Striations
Chondrules
Hardness testing kit
Pearly luster
Structural
Chromates
HCl
Pegmatite
Structure
Chrysoberyl twin
Heart
Pendant
Stubby
Clast
Heat treated
Penetration
Stud
Clay
Heat treating
Penetration twin
Sub-metallic
Cleavable
Heat treatment
Penetration twinning
Subconchoidal
Cleavage
Hemimorphic
Pentagonal dodecahedron
Subconchoidal fracture
Cleavage angle
Hemispherical
Percussion figure
Subgroup
Cleavage face
Hexagon
Peridotite
Sublimate
Cleavage fragment
Hexagonal
Periodic table
Sublimation
Cleavage surface
Hexagonal bipyramid
Perky box
Submetallic
Cleave
Hexagonal bipyramidal
Petrifaction
Sulfate
Cleaved
Hexagonal shape
Petrification
Sulfates
Cleaved surface
Hexoctahedral
Petrified
Sulfide
Cleaving
Hexoctahedron
Petrified wood
Sulfides
Clinopinacoid
Hopper
Petrographer
Sulfosalt
Clinopinacoidal
Hornfels
Petrographic microscope
Sulfosalts
Cluster
Host mineral
Petrography
Sulfuric acid
Coal
Hot spring
Petroleum
Surrounding rock
Coating
Humite group
Petrologist
SW
Cockscomb
Hydrate
Petrology
Swallowtail twin
Color
Hydrated
pH
Syenite
Columnar
Hydration
Phantom
Symmetrical
Composition
Hydrocarbons
Phantom growth
Symmetry
Compound
Hydrochloric acid
Phenocryst
Synthesized
Concentric
Hydrofluoric acid
Phosphate
Synthetic
Conchoidal
Hydrometallurgy
Phosphates
Synthetic gem
Concretion
Hydrothermal
Phosphoresce
Tabular
Concretionary
Hydrothermal Method
Phosphorescence
Tarnish
Conductivity
Hydrothermal Vein
Phosphorescent
Tectosilicates
Conductor
Hydrous
Photochromism
Tellurides
Conglomerate
Hydrous borates
Phyllosilicates
Tenacity
Contact metamorphism
Hydrous sulfates
Physicist
Tenebrescence
Contact twinning
Hydroxides
Physics
Tenebrescent
Coprolite
Hydroxyl
Piezoelectric
Terminated
Coral
Hygroscopic
Piezoelectricity
Termination
Core
Hygroscopy
Pinacoid
Tetragonal
Coxcomb
Hypothermal vein
Pinacoidal
Tetragonal trisoctahedron
Crater
Icosahedra
Pinacoidal cleavage
Tetrahedral
Crazing
Icosahedral
Pipe
Tetrahedron
Crumbly
Icosahedron
Pisolite
Texture
Crust
Icosi-tetrahedron
Pisolitic
Thermal
Crusty
Idiochromatic
Pit
Thermoluminescence
Cryptocrystalline
Igneous
Pitchlike luster
Thermoluminescent
Crystal
Igneous rock
Pitchy
Thumbnail
Crystal aggregate
IMA
Placer
Tourmaline group
Crystal angle
Impure
Placer deposit
Transformation
Crystal class
Impurities
Plagioclase twin
Translucency
Crystal face
Impurity
Plane
Translucent
Crystal group
In Situ
Plane of symmetry
Transparency
Crystal habit
Included
Planetoid
Transparent
Crystal lattice
Inclusion
Plate
Trap rock
Crystal structure
Incrust
Plate-like
Trapezohedra
Crystal symmetry
Incrustation
Plated
Trapezohedral
Crystal system
Incrusting
Platy
Trapezohedron
Crystalline
Index of refraction
Playa
Trapiche
Crystallization
Indiscernible
Pleochroic
Traprock
Crystallize
Inelastic
Pleochroism
Triboluminescence
Crystallized
Infiltration
Plug
Triboluminescent
Crystallographer
Ingot
Plumose
Trichroic
Crystallographically
Inorganic
Plutonic
Trichroism
Crystallography
Inosilicates
Plutonic rock
Triclinic
ct
Insoluble
Pocket
Trigonal
Cube
Intaglio
Point
Trilling
Cubic
Intermediary
Polished
Trillion
Cubic cleavage
Intermediary Member
Polishing
Triplet
Cubic octahedron
Intrusion
Polychromatic
Trisoctahedral
Cubic system
Intrusive
Polyhedron
Trisoctahedron
Cuboctahedral
Intrusive rock
Polymerization
True phosphates
Culet
Ion
Polymorph
Trunk
Cut
Iridesce
Polymorphism
Tube test
Cyclosilicates
Iridescence
Polymorphous
Tuberose
Cymophane effect
Iridescent
Polysynthetic twinning
Tufa
Decomposition
Irradiate
Polysynthetic twins
Tufacious spring
Decrepitation
Irradiated
Polytype
Tuff
Dehydration
Irradiating
Porcelaneous
Tumbled
Deliquesce
Irradiation
Porous
Tumbler
Deliquescent
Isometric
Porphry
Tumbling
Dendrite
Isomorph
Porphyritic
Tungstates
Dendritic
Isomorphism
Porphyry
Tungstates and Molybdates
Density
Isomorphous
Potash
Tungstens
Deposit
Isotropic
Potash feldspar
Twin
Detrital
Isotropization
Potassium feldspar group
Twinned
Detritus
Isotype
Potspar
Twinned crystal
Devitrification
Isotypism
Precious gemstone
Twinning
Devitrify
Isotypous
Precious metal
Type locality
Diabase
Ivory
Precious stone
Ultrabasic
Diagenesis
Jagged
Precipitating
Ultramafic
Diamagnetic
Japan Law Twin
Precipitation
Ultraviolet
Diamagnetism
Japanese law twin
Primary
Ultraviolet lamp
Diamondlike luster
Japanese twin
Primary mineral
Ultraviolet light
Diaphaneity
Jet
Princess
Uneven
Diaphanous
Jewel
Prism
Uneven fracture
Diapir
Jeweler
Prismatic
Unstable
Dichroic
Jewelry
Prismatic cleavage
UV
Dichroism
K
Prospect
UV lamp
Diffract
K-spar
Prospecting
Vanadates
Diffraction
Karat
Prospector
Variable formula
Diffused
Karst
Proton
Variety
Diffusion treatment
Kimberlite
Ps.
Vein
Dike
Kt
Pseudo
Vent
Dimorph
Lab
Pseudo-octahedral
Venting
Dimorphous
Laboratory
Pseudo-octahedron
Vermeil
Diorite
Labradoresce
Pseudocube
Verneuil process
Dipyramid
Labradorescence
Pseudocubic
Vesicle
Dipyramidal
Labradorescent
Pseudohexagon
Vitreous
Disilicates
Laccolith
Pseudohexagonal
Vitreous luster
Dispersing
Lamellar
Pseudomorph
Vitriol
Dispersion
Laminated rock
Pseudomorphed
Volatilize
Dodecahedral
Lanthanides
Pseudomorphism
Volcanic
Dodecahedron
Lapidaries
Pt
Volcanic rock
Dollar
Lapidary
Pure
Volcanism
Dolomite
Lattice
Pyncnometer
Volcano
Dolostone
Lava
Pyramidal
Vug
Double refraction
Lenticular
Pyritohedral
Vulcanism
Doublet
Light
Pyritohedron
Waterworn
Doubly terminated
Light reflection
Pyroelectric
Waxlike luster
Druse
Light refraction
Pyroelectricity
Waxy
Drusy
Limestone
Pyrometallurgy
Waxy luster
Druzy
Litmus paper
Pyrosilicates
Weathered
Dry lake
Locality
Pyroxene
Weathering
Dry lake deposit
Lode
Pyroxene group
Wheat sheaf
Ductile
Longwave
Quarried
Wheat sheaves
Ductilibility
Loupe
Quarries
White light
Ductility
Lubricant
Quarry
Widmanstatten lines
Dull
Luminesce
Quartz group
Widmanstatten pattern
Dull luster
Luminescence
Quartzite
Wires
Dump
Luminescent
Radial
Wiry
Dusting
Luster
Radiating
Wolframates
Earth science
Lustrous
Radiation
X-ray
Earthy
LW
Radical
Xenolith
Earthy luster
Macle
Radioactive
Zeolite
Eclogite
Macrocrystalline
Radioactivity
Zeolite group
Effervesce
Mafic
Rare earth
Zoning
Effervescence