ILC class gt

ILC developing version
Expanded class gt

▽ ⌕ `gt`	crystals; minerals [crystallograpy; mineralogy] ≈ DDC `548; 549` ✍
▽ ⌕ `gt6`	colour
▽ ⌕ `gt686` `[an89]`	diaphaneity; transparency; pellucidity
▽ ⌕ `gt687` `[d5ll]`	streak
▽ ⌕ `gt69`	lustre; luster
▽ ⌕ `gt69d`	dull; earthly
▽ ⌕ `gt69g`	greasy
▽ ⌕ `gt69j`	waxy
▽ ⌕ `gt69k`	silky
▽ ⌕ `gt69l`	pearly
▽ ⌕ `gt69n`	resinous
▽ ⌕ `gt69r`	vitreous
▽ ⌕ `gt69s`	submetallic
▽ ⌕ `gt69t`	metallic
▽ ⌕ `gt69v`	subadamantine
▽ ⌕ `gt69w`	adamantine
▽ ⌕ `gt7`	cleavage
▽ ⌕ `gt72` `[cd]`	crystal structure; space group; symmetry group
▽ ⌕ `gt726` `[cd]`	crystal habit
▽ ⌕ `gt7b`	basal cleavage; pinacoidal cleavage
▽ ⌕ `gt7c`	cubic cleavage
▽ ⌕ `gt7e`	octahedral cleavage
▽ ⌕ `gt7h`	rhombohedral cleavage
▽ ⌕ `gt7p`	prismatic cleavage
▽ ⌕ `gt7t`	dodecahedral cleavage
▽ ⌕ `gtU` `[gtsta]`	quartz
▽ ⌕ `gtb`	native elements
▽ ⌕ `gtbc`	native carbon ← `eco` carbon
▽ ⌕ `gtbcd`	diamond
▽ ⌕ `gtbcg`	graphite; plumbago
▽ ⌕ `gtbcu`	fullerite
▽ ⌕ `gtbi`	native iron ← `eei` iron
▽ ⌕ `gtbl`	native gold ← `egl` gold
▽ ⌕ `gtc`	sulfide minerals; sulphides; sulfides ← `edq` sulfur
▽ ⌕ `gtcc`	chalcocite-digenite group
▽ ⌕ `gtcd`	joseite group
▽ ⌕ `gtce`	pentlandite group
▽ ⌕ `gtcg`	galena group
▽ ⌕ `gtcgg`	galena; PbS ← `ego` lead
▽ ⌕ `gtch`	sphalerite group
▽ ⌕ `gtchc`	cinnabar; HgS ← `egm` mercury
▽ ⌕ `gtchh`	sphalerite; ZnS ← `eem` zinc
▽ ⌕ `gtci`	wurtzite group
▽ ⌕ `gtck`	nickeline group
▽ ⌕ `gtcl`	chalcopyrite group
▽ ⌕ `gtcm`	stannite group
▽ ⌕ `gtcn`	thiospinel group
▽ ⌕ `gtco`	tetradymite group
▽ ⌕ `gtcp`	pyrite group
▽ ⌕ `gtcpp`	pyrite; FeS₂ ← `eei` iron
▽ ⌕ `gtcr`	marcasite group
▽ ⌕ `gtct`	cobaltite group
▽ ⌕ `gtcv`	arsenopyrite group
▽ ⌕ `gtcw`	arsenopyrite group
▽ ⌕ `gtcx`	molybdenite group
▽ ⌕ `gtcxm`	molybdenite; MoS₂ ← `efg` molybdenum
▽ ⌕ `gtcy`	skutterudite group
▽ ⌕ `gtd`	sulfosalt minerals ← `edq` sulfur
▽ ⌕ `gtdc`	colusite group
▽ ⌕ `gtdd`	cylindrite group
▽ ⌕ `gtdh`	hauchecornite
▽ ⌕ `gtdi`	tetrahedrite
▽ ⌕ `gtdj`	proustite group
▽ ⌕ `gtdk`	aikinite group
▽ ⌕ `gtdl`	lillianite group
▽ ⌕ `gtdm`	matildite group
▽ ⌕ `gtds`	sartorite group
▽ ⌕ `gtdv`	pavonite group
▽ ⌕ `gte`	oxide minerals; oxides ← `fe` oxides
▽ ⌕ `gteb`	ice; H₂O ← `ebb` hydrogen `fU` water
▽ ⌕ `gtec`	periclase group
▽ ⌕ `gtecb`	periclase; MgO ← `edc` magnesium
▽ ⌕ `gtee`	hematite/corundum group
▽ ⌕ `gteec`	corundum; Al₂O₃ ← `edn` aluminium `fehd` aluminium oxide
▽ ⌕ `gteee`	hematite; Fe₂O₃ ← `eei` iron `ferd` iron(III) oxide
▽ ⌕ `gteg`	perovskite group
▽ ⌕ `gtei`	ilmenite group
▽ ⌕ `gtek`	rutile group
▽ ⌕ `gtekc`	cassiterite; SnO₂ ← `efo` tin
▽ ⌕ `gtekp`	pyrolusite; MnO₂ ← `eeh` manganese
▽ ⌕ `gtekr`	rutile; TiO₂ ← `eee` titanium
▽ ⌕ `gtem`	magnetoplumbite group; multiple oxides with O₁₉ groups
▽ ⌕ `gteo`	cryptomelane group
▽ ⌕ `gtep`	aeschynite group
▽ ⌕ `gteq`	crichtonite group
▽ ⌕ `gtes`	spinel group
▽ ⌕ `gtesc`	chromite; FeCr₂O₄ ← `eeg` chromium `eei` iron
▽ ⌕ `gtesm`	magnetite; Fe₃O₄ ← `edc` magnesium `eei` iron `fere` iron(II,III) oxide
▽ ⌕ `gtess`	spinel; MgAl₂O₄ ← `edc` magnesium `edn` aluminium
▽ ⌕ `gtet`	pyrochlore group
▽ ⌕ `gteu`	microlite group
▽ ⌕ `gtev`	romeite group
▽ ⌕ `gtew`	betafite group
▽ ⌕ `gtex`	cesstibtantite group
▽ ⌕ `gtf`	hydroxide minerals; hydroxides ← `ecq` oxygen `ebb` hydrogen
▽ ⌕ `gtfd`	diaspore group
▽ ⌕ `gtfr`	brucite group
▽ ⌕ `gtfw`	wickmanite group
▽ ⌕ `gth`	halide minerals; halides ← `eXr` halogens
▽ ⌕ `gthc`	atacamite group
▽ ⌕ `gthf`	fluorite group
▽ ⌕ `gthff`	fluorite; CaF₂ ← `ecr` fluorine `eec` calcium
▽ ⌕ `gthh`	halite group
▽ ⌕ `gthhh`	table salt; halite; NaCl ← `edr` chlorine `edb` sodium
▽ ⌕ `gthhs`	sylvite; KCl ← `edr` chlorine `eeb` potassium
▽ ⌕ `gthj`	chlorargyrite group
▽ ⌕ `gthl`	lawrencite group
▽ ⌕ `gthm`	matlockite group
▽ ⌕ `gtho`	challacolloite
▽ ⌕ `gthu`	chukhrovite group
▽ ⌕ `gtm`	carbonate minerals; carbonates ← `eco` carbon `ecq` oxygen
▽ ⌕ `gtmc`	calcite group ← `eec` calcium
▽ ⌕ `gtmcc`	calcite; CaCO₃
▽ ⌕ `gtmg`	aragonite group
▽ ⌕ `gtmgg`	aragonite
▽ ⌕ `gtmi`	dolomite group
▽ ⌕ `gtmid`	dolomite; CaMg(CO₃)₂ ← `edc` magnesium `eec` calcium
▽ ⌕ `gtmk`	burbankite group
▽ ⌕ `gtmo`	rosasite group
▽ ⌕ `gtmq`	malachite group
▽ ⌕ `gtmr`	ancylite group
▽ ⌕ `gtms`	sjogrenite-hydrotalcite group
▽ ⌕ `gtmt`	tundrite group
▽ ⌕ `gtn`	nitrate minerals; nitrates ← `ecp` nitrogen
▽ ⌕ `gto`	sulphate minerals; sulphates; sulfates ← `edq` sulfur
▽ ⌕ `gtob`	barite group
▽ ⌕ `gtobb`	barite; BaSO₄ ← `egc` barium
▽ ⌕ `gtobc`	celestine; SrSO₄ ← `efc` strontium
▽ ⌕ `gtobn`	anglesite; PbSO₄ ← `ego` lead
▽ ⌕ `gtod`	blodite group
▽ ⌕ `gtoe`	alum group
▽ ⌕ `gtof`	voltaite group
▽ ⌕ `gtoh`	aluminite group
▽ ⌕ `gtoi`	zippeite group
▽ ⌕ `gtok`	copiapite group
▽ ⌕ `gtol`	Pb, Zn tellurates
▽ ⌕ `gtoo`	"halotrichite" supergroup
▽ ⌕ `gtoq`	"kieserite" supergroup
▽ ⌕ `gtoqg`	gypsum; CaSO₄·2H₂O ← `eec` calcium
▽ ⌕ `gtoqgr`	desert roses
▽ ⌕ `gtou`	alunite group
▽ ⌕ `gtp`	phosphate minerals; phosphates ← `edp` phosphorus
▽ ⌕ `gtpi`	apatites
▽ ⌕ `gtpif`	fluorapatite; Ca₅(PO₃)₃F ← `ecr` fluorine
▽ ⌕ `gtpih`	chlorapatite; Ca₅(PO₄)₃Cl ← `edr` chlorine
▽ ⌕ `gtpil`	hydroxylapatite; Ca₅(PO₄)₃(OH)
▽ ⌕ `gtpm`	monazite group
▽ ⌕ `gtpq`	turquoise group
▽ ⌕ `gtpu`	lazulite group
▽ ⌕ `gtr`	borate minerals; borates ← `ecn` boron
▽ ⌕ `gtrd`	ludwigite group
▽ ⌕ `gtrg`	boracite group; tecto-heptaborates
▽ ⌕ `gtrgb`	boracite; Mg₃B₇O₁₃Cl
▽ ⌕ `gtri`	inderite group; neso-triborates
▽ ⌕ `gtrk`	santite group; neso-pentaborates
▽ ⌕ `gtrl`	hilgardite group; tecto-pentaborates
▽ ⌕ `gtrp`	pringleite group
▽ ⌕ `gts`	silicates ← `edo` silicon
▽ ⌕ `gtsb`	nesosilicates ✍
▽ ⌕ `gtsbc`	zircon group
▽ ⌕ `gtsbci`	zircon; ZrSiO₄
▽ ⌕ `gtsbd`	olivine group
▽ ⌕ `gtsbdo`	olivine; (Mg;Fe²⁺)₂[SiO₄] ← `edc` magnesium `eei` iron
▽ ⌕ `gtsbe`	phenakite group
▽ ⌕ `gtsbg`	Al₂(SiO₄)O
▽ ⌕ `gtsbgl`	sillimanite; Al^[6]Al^[4]OSiO₄
▽ ⌕ `gtsbgn`	andalusite; Al^[6]Al^[5]OSiO₄
▽ ⌕ `gtsbgy`	kyanite; Al^[6]Al^[6]OSiO₄
▽ ⌕ `gtsbi`	titanite group
▽ ⌕ `gtsbk`	cerite group
▽ ⌕ `gtsbl`	silicate apatites
▽ ⌕ `gtsbr`	uranophane group
▽ ⌕ `gtsbt`	datolite group
▽ ⌕ `gtsbu`	hellandite group
▽ ⌕ `gtsbv`	vicanite group
▽ ⌕ `gtsbx`	garnets; "garnet" supergroup
▽ ⌕ `gtsbxb`	pyralspite series
▽ ⌕ `gtsbxbb`	pyrope
▽ ⌕ `gtsbxbl`	almandine
▽ ⌕ `gtsbxbs`	spessartine
▽ ⌕ `gtsbxg`	ugrandite series
▽ ⌕ `gtsbxgd`	andradite
▽ ⌕ `gtsbxgg`	grossular
▽ ⌕ `gtsbxgu`	uvarovite
▽ ⌕ `gtsbxh`	schorlomite-kimzeyite series
▽ ⌕ `gtsbxr`	hydrogarnet
▽ ⌕ `gtsbxt`	tetragonal hydrogarnet
▽ ⌕ `gtsby`	"humite" supergroup
▽ ⌕ `gtsbyb`	topaz group
▽ ⌕ `gtsbybt`	topaz; Al₂SiO₄(F;OH)₂
▽ ⌕ `gtsbyc`	chondrodite series
▽ ⌕ `gtsbyh`	humite series
▽ ⌕ `gtsbyl`	clinohumite series
▽ ⌕ `gtsbyn`	norbergite
▽ ⌕ `gtsbyr`	chloritoid group
▽ ⌕ `gtsd`	sorosilicates ✍
▽ ⌕ `gtsde`	epidote group
▽ ⌕ `gtsdee`	epidote; {Ca₂}{Al₂Fe³⁺}[O\|OH\|SiO₄\|Si₂O₇]
▽ ⌕ `gtsdl`	allanite group
▽ ⌕ `gtsdo`	dollaseite group
▽ ⌕ `gtsf`	cyclosilicates ✍
▽ ⌕ `gtsfd`	tourmaline group
▽ ⌕ `gtsfu`	eudialyte group
▽ ⌕ `gtsgt`	astrophyllite group
▽ ⌕ `gtsi`	inosilicates ✍
▽ ⌕ `gtsic`	sapphirine supergroup
▽ ⌕ `gtsie`	pyroxene supergroup ✍
▽ ⌕ `gtsiebWe`	orthopyroxene group
▽ ⌕ `gtsiee`	enstatite-orthoferrosilite series
▽ ⌕ `gtsiefWy`	clinopyroxene group
▽ ⌕ `gtsieg`	pigeonite
▽ ⌕ `gtsieh`	diopside-hedenbergite series
▽ ⌕ `gtsim`	amphiboles; multiple chain inosilicates ✍
▽ ⌕ `gtsimb`	anthophyllite
▽ ⌕ `gtsimc`	cummingtonite series
▽ ⌕ `gtsime`	tremolite series
▽ ⌕ `gtsimh`	hornblende
▽ ⌕ `gtsims`	sodium amphibole group
▽ ⌕ `gtsio`	sodium pyroxene series
▽ ⌕ `gtsis`	spodumene group
▽ ⌕ `gtsj`	pyroxenoid group
▽ ⌕ `gtsp`	phyllosilicates ✍
▽ ⌕ `gtspc`	clay minerals group
▽ ⌕ `gtspd`	medicinal clay
▽ ⌕ `gtspm`	mica group
▽ ⌕ `gtspo`	kaolinite-serpentine group ← `edc` magnesium `eei` iron
▽ ⌕ `gtsps`	smectite/montmorillonite group
▽ ⌕ `gtspt`	pyrophyllite-talc group
▽ ⌕ `gtsptc`	talc ← `edc` magnesium
▽ ⌕ `gtspx`	chlorite group
▽ ⌕ `gtst`	tectosilicates ✍
▽ ⌕ `gtstb`	quartz; SiO₂ ← `feic` silicon dioxide
▽ ⌕ `gtstd`	feldspars
▽ ⌕ `gtstf`	feldspatoids
▽ ⌕ `gtsto`	zeolites
▽ ⌕ `gtx`	organic minerals ← `eco` carbon
▽ ⌕ `gtxc`	mineral hydrocarbons ← `fd` bases
▽ ⌕ `gtxl`	salts of organic acids
▽ ⌕ `gtxlo`	oxalates
Connected classes:
`g63v`	7; quartz hardness ← `gtstb`
`gtU` `[gtsta]`	quartz
`i97` `[gt]`	containing mineral
`iipzq`	quartzites ← `gtstb`
`iitWn`	carbonate rocks ← `gtm`
`jr`	glaciers; glacial systems [glaciology] ← `gteb`
`rbg`	glass ← `gts`
`rbj`	asbestos fiber ← `gts`
`rbq76` `[gt]`	of crystal

specificity
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ILC developing version — ISKO Italia <https://www.iskoi.org/ilc/> : 2006.03.06 - 2026.05.14 -

ILC developing versionExpanded class gt

ILC developing version
Expanded class `gt`