The word crystal is often used to describe gemstones and jewels, but it has a more specific meaning. Poetically speaking, a crystal is a clear mineral or glass made of sharp, straight shapes. I've listed some traits associated with crystals below, so if you have a character or place that fits this description, one of these names might be a good fit :-) These names are about crystals in general, be on the lookout for names about diamonds, quartz, glass, and clarity.
Traits associated with crystals:
Clarity, Delicacy, Elegance, Fragility, Expensiveness, Sharpness, Perfection, Coldness, Rigidity, Hardness, Smoothness, Magic, Rarity
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--------GENDER NEUTRAL NAMES----no gender only gems-------
Arts'unk' - m/f (Armenian) tear, dew, crystal
Balluri - m/f (Arabic) crystalline, crystal
Berrak - m/f (Turkish) clear, lucid, limpid, bright, crystalline, crystal
Bistur - m/f (Bulgarian) clear, limpid, lucid, crystalline, liquid, translucent, crystal, robust
Bolor - m/f (Mongolian) crystal
Broli - m/f (Georgian) crystal, glass
Brolis - m/f (Georgian) crystal
Bubog - m/f (Filipino) crystal, small piece of broken crystal
Büllur - m/f (Azerbaijani) crystal, cut glass. Also: Bulūr
Chembechembe - m/f (Swahili) crystal
Chist - m/f (Bulgarian) clean, pure, clear, net, fresh, neat, fine, sheer, absolute, virgin, crisp, pristine, crystal, straight, innocent, white, immaculate, unpolluted, solid, unblemished, fair, chaste, native, sterling, unstained, virtuous, sweet, lucid, sublime, heavenly
Chystyy - m/f (Ukrainian) clean, pure, clear, blank, sheer, chaste, spotless, crystal, native, bright, virginal, austere, silvery
Clestar - m/f (Romanian) crystal
Criostail - m/f (Irish) crystal
Crisial - m/f (Welsh) crystal. Also: Chrisial
Cristallu - m/f (Corsican) crystal
Dālad - m/f (Thai) crystal, glass
Ewele - m/f (Yoruba) crystal
Gabis - m/f (Welsh) crystal
Galasi - m/f (Chichewa) glass, crystal, fiberglass
Grisial - m/f (Welsh) crystal
Grisialau - m/f (Welsh) crystal
Gwang-Seog - m/f (Korean) ore, crystal
Hablur - m/f (Indonesian) crystal, rock crystal, cut glass
Hari - m/f (Japanese) glass, crystal
Hstak - m/f (Armenian) clear, precise, definite, neat, bold, transparent, lucid, crystal, perspicuous, serene, clear-cut, sharp-cut
Ikristale - m/f (Xhosa) crystal
Jeong - m/f (Korean) crystal, clear, bright, radiant
Jiéjīng - m/f (Mandarin Chinese) crystallization, crystal, crystallize
Jīng - m/f (Mandarin Chinese) clear, crystal
Jur - m/f (Armenian) water, crystal
Kaeo - m/f (Thai) crystal, glass, diamond
Kæw - m/f (Thai) glass, mica, crystal, parrot, orange jasmine
Kæwphluk - m/f (Thai) crystal, milky quartz
Kesshō - m/f (Japanese) crystal, crystallization
Khrustal' - m/f (Russian) crystal
Kide - m/f (Finnish) crystal
Kirisita - m/f (Yoruba) crystal
Kirīsitali - m/f (Amharic) crystal
Kōseki - m/f (Japanese) ore, mineral, crystal
Kremen - m/f (Slovak) silica, flint, crystal
Kristalan - m/f (Bosnian) crystal
Kristalas - m/f (Lithuanian) crystal
Kristale - m/f (Sesotho) crystal
Kristalen - m/f (Bulgarian) crystalline, crystal, limpid
Kristallglas - m/f (German) crystal, crystal glass, crystalware
Kristalhelder - m/f (Dutch) crystal
Kristalinis - m/f (Lithuanian) crystalline, crystal
Kristalli - m/f (Finnish) crystal
Kristalliq - m/f (Azerbaijani) crystal
Kristalne - m/f (Estonian) crystal
Kristalo - m/f (Esperanto) crystal
Kristaro - m/f (Shona) crystal
Krištolinis - m/f (Lithuanian) crystal, cut glass
Kristu - m/f (Kinyarwanda) crystal
Krystallo - m/f (Greek) crystal, cut glass, icicle
Krystalovy - m/f (Czech) crystal
Kryształ - m/f (Polish) crystal
Kulluar - m/f (Albanian) lucid, crystal, lucent, pellucid, crystalline, liquid
Kvarts - m/f (Bulgarian) quartz, crystal, silica
Malinaw - m/f (Filipino) clear, obvious, vivid, plain, crystal
Manabh - m/f (Hindi) crystal
Parlak - m/f (Turkish) bright, brilliant, shiny, glossy, shining, crystal
Pha Lê - m/f (Vietnamese) crystal, glass
Phechrn̂ảkĥāng - m/f (Thai) crystal, white glass
Phluk - m/f (Thai) crystal, quartz
Por̀ngs̄æng - m/f (Thai) translucent, transparent, crystalline, crystal
Prozrachen - m/f (Bulgarian) transparent, crystalline, sheer, clear, limpid, lucent, gauzy, hyaline, peek-a-boo, white, bright
Salamin - m/f (Filipino) glass, mirror, glasses, crystal, spectacles, looking glass
Sarruyts' - m/f (Armenian) ice, frosting, crystal
Seffaf - m/f (Turkish) transparent, clear, sheer, crystal, gauzy, hyaline
Sei - m/f (Japanese) clear, crystal
Shafaf - m/f (Arabic) transparent, clear, diaphanous, sheer, limpid, pellucid, gauze, gauzy, lucid, filmy, gossamer, see-through, crystal
Shou - m/f (Japanese) sparkle, crystal, clear
Shuāng - m/f (Mandarin Chinese) frost, crystallized
Shuijīng - m/f (Mandarin Chinese) crystal, quartz, cut glass
Stuklo - m/f (Bulgarian) glass, crystal, plate
Suishō - m/f (Japanese) crystal
Su-Jeong - m/f (Korean) crystal, rock crystal, pebble, adjustment, retouch
Teru - m/f (Japanese) sparkle of jewelry, crystal
Thuy Tinh - m/f (Vietnamese) crystal, pebble, rock crystal
Tioata - m/f (Maori) crystals
Trong Suôt - m/f (Vietnamese) transparent, translucent, crystal, hyaline, lucent, filmy
Vchit - m/f (Armenian) crystalline, crystal
Yasen - m/f (Bulgarian) clear, straightforward, lucid, obvious, sharp, distinct, bright, crystal, silvery, neat
Yeong - m/f (Korean) luster of gem, crystal
Yīng - m/f (Mandarin Chinese) crystal, lustrous
Zhàn - m/f (Mandarin Chinese) deep, profound, clear, crystal, hyaline, pearly, the deep, deepness, the depths
Zilol - m/f (Uzbek) crystal clear, limpid, unclouded
---------------------------FEMININE NAMES--------------------------
Accha - f (Bengali) crystalline, transparent, without impurities
Aki - f (Japanese) clear, crystal
Akiko - f (Japanese) crystal child, clear child
Alira - f (Wurundjeri) clear quartz crystal
Arka - f (Bengali) sunrise, sun, crystal, light
Billura - f (Uzbek) crystal
Billure - f (Azerbaijani) crystal
Bolormaa - f (Mongolian) crystal woman
Bolortsetseg - f (Mongolian) crystal flower
Brola - f (Georgian) crystal, crystal glass
Byuregh - f (Armenian) crystal, beryl
Byureghik - f (Armenian) crystal, beryl
Crystal - f (English) a transparent mineral resembling ice, glass or quartz that is perfectly clear. Also: Christal, Chrystal, Kristal, Krystal, Krystle, Krystelle, Cristal
Crystalline - f (English) crystal-like, relating to or made of crystals. Crystal shaped or clear. Also: Krystalline
Ei - f (Japanese) sparkle of jewelry, crystal
Gälsär - f (Bashkir) crystal
Hyale - f (Ancient Greek) crystal. A nymph in the retinue of the Greek goddess Artemis.
Kāca - f (Bengali) glass, masking, rhinestone, camouflage, crystal
Kāmca - f (Bengali) glass, rhinestone, crystal
Kēlāsa - f (Bengali) crystal
Kristala - f (Basque) crystal, glass. Also: Kristāla
Kristalė - f (Lithuanian) crystal
Kristaltë - f (Albanian) crystal, crystalline
Krystallo - f (Greek) crystal
Legakwa - f (Setswana) crystal
Phatika - f (Bengali) quartz, crystal, clear, transparent
Sphatika - f (Bengali) crystal, quartz, spar
Tae - f (Japanese) many crystals
Tséghádiʼńdínii - f (Diné) rock crystal
Tungalag - f (Mongolian) serenity, clarity / serene / light, white, bright / crystal, crystalline, clear
-------------------------MASCULINE NAMES--------------------------
Aligok - m (Greenlandic) mountain crystal, quartz
Billur - m (Uzbek) crystal
Caurspīdīgs - m (Latvian) transparent, translucent, clear, diaphanous, hyaline, crystal
Cristallinus - m (Latin) crystalline
Cristallo - m (Italian) crystal, glass
Crystallum - m (Latin) crystal, crystal drinking cup
Crystallus - m (Latin) crystal, crystal drinking cup
Hyalos - m (Ancient Greek) crystal
Itsai - m (Otomi) clear crystal
Kristalas - m (Lithuanian) crystal
Krištolas - m (Lithuanian) crystal, cut glass
Krystāls - m (Latvian) crystal, crystalline
Krystallos - m (Greek) crystal
Mano - m (Greenlandic) frost crystals formed from breath / under chin
Paellucidus - m (Latin) transparent, lucid, crystal, liquid
Pellucidus - m (Latin) transparent, lucid, crystal, liquid
Pukak - m (Greenlandic) crystalline snow
Skairdus - m (Lithuanian) transparent, clear, limpid, pellucid, lucid, crystal
Sphatik - m (Hindi) rhinestone, crystal, dice
Stiklas - m (Lithuanian) crystal
Vitreus - m (Latin) crystal, glassy