All terms in glossary

All glossary terms are listed here. If this page is in a frame, term links are displayed in this frame, so two terms can be viewed simultaneously.

A
Abrasive
Absolute hardness
Absorption spectra
Absorption spectrum
Accessory mineral
Acicular
Acid
Acid test
Activator
Adamantine (luster)
Adularescence
Adularescent
Aggregate
Alkaline
Alloy
Alloyed
Alluvial
Alluvial deposit
Alluvion
Alluvium
Alpha rays
Alpine cavity
Alter
Alteration
Amalgam
Amber
Ammonia
Ammonium hydroxide
Amorphous
Amphibole
Amphibole group
Amygdule
Anhydrous
Anhydrous borates
Anion
Anisotropic
Anisotropism
Anticline
Antimonides (subgroup)
Aqua fortis
Aqua regia
Aqueous
Aragonite group
Arborescent
Argentiferous
Argillacious
Arid
Arsenates (group)
Arsenides (subgroup)
Asbestos
Asbestos amphibole
Asterism
Asteroid
Asymmetrical
Atom
Atomic
Atomic structure
Atomical arrangement
Atomically
Auriferous
Autochthonous
Aventurescence
Aventurization
Axes
Axis
Axis of symmetry
B

Banded
Banding
Basal
Basal cleavage
Basal pinicoid
Basalt
Base
Basic
Batholith
Bead test
Bed
Bedding
Bedrock
Beta rays
Birefringence
Bipyramid
Bipyramidal
Bipyramidal hexagonal
Bipyramidal hexagon
Bituminous
Bladed
Blowpipe test
Boiling point
Bond
Borates (group)
Borax
Botryoidal
Boule
Brass
Brilliant (cut)
Brilliant (luster)
Brittle
Bronze
Brownspar
C
Cabochon
Calcareous
Calcic
Calcite group
Cameo
Capillary
Carat
Carbonates (group)
Carlsbad twin
Carved
Carving
Cassiterite twin
Cation
Cat's eye
Catseye
Cat's eye effect
Cave
Cavern
Cavity
Cementation zone
Center of symmetry
Chain silicates
Chatoyancy
Chatoyant
Chemical
Chemical bond
Chemical composition
Chemical formula
Chemical structure
Chemistry
Chemist
Chromates (group)
Chrysoberyl twin
Clast
Clay
Cleavable
Cleavage
Cleavage angle
Cleavage fragment
Cleave
Cleaved
Cleaved surface
Cleaving
Clinopinicoid
Clinopinicoidal
Cluster
Coal
Coating
Cockscomb
Color
Columnar
Composition
Compound
Concentric
Conchoidal (fracture)
Concretion
Conductivity
Conductor
Contact metamorphism
Contact twinning
Coprolite
Coral
Core
Coxcomb
Crater
Crazing
Crumbly
Crust
Crust (earth layer)
Crusty
Cryptocrystalline
Crystal
Crystal aggregate
Crystal angle
Crystal class
Crystal face
Crystal form
Crystal group
Crystal habit
Crystal lattice
Crystal structure
Crystal symmetry
Crystal system
Crystalline
Crystallization
Crystallize
Crystallized
Crystallographically
Crystallography
Crystallographer
Ct.
Cube
Cubic (crystal system)
Cubic (shape)
Cubic cleavage
Cubic octahedron
Cut (noun)
Cut (verb)
Cyclosilicates (subgroup)
Cymophane effect
D
Decomposition
Decrepitation
Dehydration
Dendrite
Dendritic
Density
Deposit
Detrital
Detritus
Devitrification
Devitrify
Diagenesis
Diamagnetic
Diamagnetism
Diamondlike (luster)
Diaphaneity
Diaphanous
Dichroic
Dichroism
Diffract
Diffraction
Dike
Dipyramid
Dipyramidal
Disilicate (subgroup)
Dispersion
Dodecahedral
Dodecahedron
Dollar
Double refraction
Doublet
Doubly terminated
Druse
Drusy
Dry lake
Dry lake deposit
Ductile
Ductility
Ductilability
Dull (luster)
Dump
Dusting
E
Earth science
Earthy (fracture)
Earthy (luster)
Effervesce
Effervescence
Effervescent
Effloresce
Efflorescence
Efflorescent
Elastic
Electric
Electrical
Electricity
Electromagnetic radiation
Electrometallurgy
Electron
Element
Elements (group)
Elongated
Embedded crystal
Empirical formula
Enaniotropic
Encrust
Encrustation
Encrusting
Engrave
Engraving
Environment
Epitaxy
Epithermal vein
Epsom Salts
Equant
Equidimensional
Eroded
Erosion
Evaporate
Evaporation
Evaporite
Even (fracture)
Extract
Extraterrestrial
F
Face
Facet
Faceting
Fault
Feldspar
Feldspar group
Feldspathoid
Feldspathoid group
Felsic
Ferromagnetic
Ferromagnetism
Ferrous
Ferruginous
Fiber
Fibrous
Filiform
Fire
Fishtail twin
Fissile
Fissility
Flame test
Flaky
Flaw
Flexibility
Flexible
Flexible and elastic
Flexible but inelastic
Floating crystal
Flow banding
Flowstone
Fluoresce
Fluorescence
Fluorescent
Fluorescent lamp
Fluorite twin
Fluvial
Fluvial deposit
Flux
Fold
Foliated
Form
Formula
Fossil
Fossiliferous
Fossilize
Fossilized
Fossilization
Fourling
Fracture
Framework silicates
Freezing point
Friable
Fumarole
Fusion
G
Gamma rays
Gangue material
Garnet paper
Geiger counter
Gem
Gemology
Gemologist
Gemstone
Geode
Geologic
Geology
Geologist
Glass
Glassy (luster)
Gneiss
Glauber's salt
Globular
Goniometer
Grain (aggregate)
Grain (weight)
Grainy
Gram
Granitic
Granular
Gravel
Gravity
Greasy (luster)
Group
Grouping
H
Habit
Hackly (fracture)
Halides (group)
Halogen
Hardness
Hardness testing kit
Hard water
HCl
Heat treated
Hemimorphic
Hexagon
Hexagonal (crystal system)
Hexagonal (shape)
Hexagonal bipyramid
Hexagonal bipyramidal
Hopper
Host mineral
Hydrate
Hydrated
Hydration
Hydrocarbons
Hydrochloric acid
Hydrofluoric acid
Hydrometallurgy
Hydrothermal
Hydrous
Hydrous borates
Hydroxides
Hydroxyl
Hygroscopic
Hypothermal vein
I
Icosahedral
Icosahedron
Icosi-tetrahedron
Idiochromatic
Igneous
Igneous rock
Impure
Impurity
Inclusion
Incrust
Incrustation (pseudomorph)
Incrustation (crust)
Incrusting
Index of refraction
Indiscernible
Infiltration
Inosilicates (subgroup)
Inorganic
Insoluble
Intaglio
Intermediary
Intrusive rock
Ion
Iridesce
Iridescence
Iridescent
Irradiation
Isometric (crystal system)
Isomorph
Isomorphous
Isomorphism
Isotropic
Isotropization
Isotype
Isotypous
Isotypism
Ivory
J
Jagged (fracture)
Japanese law twin
Japanese twin
Jet
Jewel
Jeweler
Jewelry
K
K.
Kt.
Karat

L
Lab
Laboratory
Labradoresce
Labradorescence
Labradorescent
Laccolith
Lamellar
Laminated rock
Lanthanides
Lapidary
Lattice
Lava
Lenticular
Light
Light refraction
Light reflection
Litmus paper
Locality
Lode
Longwave
Loupe
Lubricant
Luminesce
Luminescence
Luminescent
Luster
LW
M
Macrocrystalline
Mafic
Magma
Magmatic
Magmatite
Magmatite rock
Magnesia
Magnet
Magnetic
Magnetic field
Magnetism
Malleable
Mammilary
Mantle
Massive
Matrix
Melting point
Mesothermal vein
Metal
Metallic
Metallic (luster)
Metallic elements (subgroup)
Metallurgy
Metamict
Metamiction
Metamorphic
Metamorphic rock
Metamorphism
Metasilicate chains
Metasilicate rings
Metasilicates
Metasomatically
Metasomatism
Metastability
Metastable
Meteor
Meteoroid
Meteoric
Meteorite
Mica
Mica group
Micaceous
Microcrystalline
Micromount
Mine (noun)
Mine (verb)
Miner
Mineral
Mineral group
Mineral series
Mineral show
Mineraloid
Mineralogy
Mineralogist
Mining
Mixed crystal
Mohs hardness scale
Molecule
Molecular
Molecular arrangement
Molecular structure
Mollusk
Molten
Molten rock
Molybdates (group)
Monochromatic
Monoclinic (crystal system)
Monotropic
Mother-of-pearl
Mother-of-pearl (luster)
Mother rock
Mottled
Multicolored
Multiple oxides (subgroup)
Mylonite
N
Nacre
Native
Native elements (group)
Natural glass
Nesosilicates (subgroup)
Neutron
Nitrates (group)
Nitric acid
Nodular
Nodule
Nonbrittle
Nonmetal
Non-crystalline
Non-metallic elements (subgroup)
Nuclei
Nucleus
Nugget
O
Occurrence
Ochre
Octacube
Octahedral
Octahedral cleavage
Octahedral cube
Octahedron
Oil of vitriol
Oily (luster)
Oolite
Oolitic
Opalesce
Opalescence
Opalescent
Opalization
Opalize
Opaque
Optical
Optical properties
Optics
Ore
Organic
Orthorhombic (crystal system)
Orthosilicates
Outcrop
Oxidation
Oxidation minerals
Oxidation zone
Oxides (group)
Oxidize
Oxidized
Oxidized zone
P
Paleontology
Paleontologist
Paragenesis
Paramagnetic
Paramagnetism
Paramorph
Parting
Pearl
Pearly (luster)
Pegmatite
Pendant
Penetration
Penetration twinning
Pentagonal dodecahedron
Percussion figure
Petrifaction
Petrification
Petrified
Petrified wood
Petrographer
Petrography
Petrographic microscope
Petrology
Petrologist
pH
Phantom growth
Phenocryst
Phosphates (group)
Phosphorescence
Phosphorescent
Phyllosilicates (subgroup)
Physicist
Physics
Piezoelectric
Piezoelectricity
Pinicoid
Pinicoidal
Pinicoidal cleavage
Pipe
Pisolite
Pisolitic
Pit
Pitchlike (luster)
Pitchy (luster)
Placer deposit
Plagioclase twin
Plane
Plane of symmetry
Planetoid
Plate
Plate-like
Platy
Playa
Pleochroic
Pleochroism
Plug
Plumose
Plutonic rock
Pocket
Point
Polished
Polychromatic
Polyhedron
Polymorph
Polymorphism
Polymorphous
Polusynthetic twinning
Polysynthetic twins
Porcelaineous
Porous
Porphyritic
Porphyry
Precious Stone
Precipitating
Precipitation
Primary
Primary mineral
Prism
Prismatic
Prismatic cleavage
Prospect
Prospecting
Prospector
Proton
Pseudo-
Pseudocube
Pseudocubic
Pseudohexagon
Pseudohexagonal
Pseudomorph
Pseudomorphed
Pseudomorphism
Pt.
Pure
Pyncnometer
Pyramidal
Pyritohedral
Pyritohedron
Pyroelectric
Pyroelectricity
Pyrometallurgy
Pyrosilicates
Pyroxene
Pyroxene group
Q
Quarry
Quartz Group
R
Radial
Radiating
Radiation
Radical
Radioactive
Radioactivity
Rare earth
Rare earth elements
Reflection
Reflective
Refract
Refraction
Refractive index
Refractive indices
Refractometer
Relative density
Reniform
Repeated twinning
Replace
Replacement
Resinlike (luster)
Resinous (luster)
Resistance
Reticulated
Rhomb
Rhombic dodecahedron
Rhombohedral
Rhombohedral cleavage
Rhombohedron
Rhomb-scalenohedron
Rift
Ring silicates
Rock
Rock crystal
Rock shop
Rock show
Rosette
Rough
Rust
Rusting
Rutilated
Rutile twin
S
Saccharoidal
Saline
Saline deposite
Saline lake
Salinity
Salt
Salt dome
Sand
Scalenohedral
Scalenohedron
Scales
Scaly
Scepter
Sclerometer
Schiller
Schist
Secondary
Secondary mineral
Sectile
Selenides (subgroup)
Selvage
Sediment
Sedimentary rock
Sedimentation process
Semi-metal
Semi-metallic
Semi-metallic elements (subgroup)
Semi-precious stone
Series
Setting
Shaft
Sheaflike
Sheet silicates
Shelly (fracture)
Shortwave
Silica
Silicafied
Silica gel
Silica group
Silicates (group)
Sill
Silky (luster)
Silt
Simple oxides (subgroup)
Simple sulfides (subgroup)
Sinter
Sixling
Skeletal
Slab
Slag
Smelt
Smooth (fracture)
Soil
Solid solution
Solidify
Solubility
Soluble
Sorosilicates (subgroup)
Spar
Specific gravity
Specimen
Spectra
Spectral
Spectrograph
Spectrophotometer
Spectroscope
Spectroscopy
Spectrum
Sphenoidal
Spherulite
Spherulitic
Spinel twin
Splendent (luster)
Splintery (crystal habit)
Splintery (fracture)
Stable
Stalactites
Stalactitic
Stalagmites
Stalagmitic
Staurolite twin
Stellate
Stock
Stone
Streak
Streak plate
Striated
Striations
Strata
Stratification
Stratum
Structural
Structure (minerals)
Structure (rocks)
Stubby
Stud
Subconchoidal (fracture)
Subgroup
Sublimate
Sublimation
Submetallic (luster)
Sulfates (group)
Sulfides (group)
Sulfosalts (subgroup)
Sulfuric acid
Surrounding rock
SW
Swallowtail twin
Syenite
Symmetrical
Symmetry
Synthesized
Synthetic
Synthetic gem
T
Tabular
Tarnish
Tectosilicates (subgroup)
Tellurides (subgroup)
Tenacity
Termination
Tetragonal (crystal system)
Tetrahedral
Tetrahedron (shape)
Tetrahedron (silicates)
Tetragonal trisoctahedron
Texture
Thermoluminescence
Thermoluminescent
Transformation
Transparency
Transparent
Translucency
Translucent
Trapezohedral
Trapezohedron
Trap rock
Triboluminescence
Triboluminescent
Trichroic
Trichroism
Triclinic (crystal system)
Trigonal (crystal system)
Trilling
Triplet
Trisoctahedral
Trisoctahedron
Trunk
Tube test
Tuberose
Tufa
Tufacious spring
Tuff
Tumbled
Tumbler
Tungstates (group)
Tungstens
Twin
Twinned crystal
Twinning
U
Ultrabasic
Ultraviolet
Ultraviolet lamp
Ultraviolet light
Uneven (fracture)
Unstable
U.V.
U.V. lamp
V
Vanadates (group)
Variable formula
Variety
Vein
Vent
Venting
Verneuil process
Vitreous (luster)
Vitriol
Volatilize
Volcanic
Volcanic rock
Volcanism
Volcano
Vug
Vulcanism
W
Waxlike (luster)
Waxy (luster)
Weathered
Weathering
Wheat sheaf
White light
Widmanstaetten lines
Wires
Wiry
Wolframates (group)
X
Xenolith
X-ray
Y

Z
Zeolite
Zeolite group
Zoning