File:Malawi_Agate_(Malawi,_southeastern_Africa)_(32734668126).jpg · Wikimedia Commons · See Wikimedia Commons
Agate is a semi-transparent, banded stone made of chalcedony that comes in many varieties and can be found worldwide in nature. People value agates for their distinctive colored bands and decorative appeal, though the term is sometimes loosely applied to similar-looking stones that aren't technically true agates.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Mineral.name
- Agate
- Mineral.category
- Tectosilicate minerals
- Mineral.group
- Quartz group
- Mineral.image
- Malawi Agate (Malawi, southeastern Africa) (32734668126).jpg
- Mineral.IMAstatus
- Variety of quartz (chalcedony)
- Mineral.boxbgcolor
- bb361c
- Mineral.boxtextcolor
- fff
- Mineral.imagesize
- 260px
- Mineral.caption
- Polished agate nodule from Malawi, Africa
- Mineral.formula
- SiO2 (silicon dioxide)
- Mineral.cleavage
- None
- Mineral.color
- Often multicolored; commonly colorless, pale blue to black, red to orange, yellow, white, brown, pink, purple; rarely green
- Mineral.habit
- Cryptocrystalline silica
- Mineral.system
- Trigonal (quartz) or monoclinic (moganite)
- Mineral.fracture
- Conchoidal
- Mineral.mohs
- 6.5–7
- Mineral.luster
- Waxy, vitreous when polished
- Mineral.refractive
- 1.530-1.543
via Wikipedia infobox
Wikidata facts
- Instance of
- mineral variety
- Subclass of
- gemstone
- Named after
- Dirillo
- Image
- Achat Mineral aus Brasilien.jpg
Show 5 more facts
- Commons category
- Agate
- streak color
- white
- chemical formula
- SiO₂
- density
- 2.6
- Mohs' hardness
- 7
via Wikidata · CC0
Article · Italiano
L'agata (dal greco antico: ἀχάτης, achátes) è una varietà di calcedonio, nome generico che viene dato al quarzo, quando questo si presenta in masse compatte di silice microcristallina con tessitura fibroso-orientata. L'agata presenta una tipica struttura zonata e visibile anche a occhio nudo, grazie alla diversità di colore. L'agata si forma per deposizione ritmica di silice, normalmente entro cavità amigdalari di rocce basaltiche, o legni pietrificati (agatizzati).
Abstract from DBpedia / Wikipedia · CC BY-SA
Gallery (632)
Available in 85 languages
- Español
- Français
- Deutsch
- 中文
- 日本語
- Русский
- Português
- Italiano
- العربية
- हिन्दी
- Afrikaans
- Albanian
- Aragonese
- Armenian
- Azerbaijani
- Bahasa Indonesia
- Basque
- be_x_old
Show 66 more
- Belarusian
- Bulgarian
- Burmese
- Catalan
- Central Kurdish
- Chuvash
- Crimean Tatar
- Croatian
- Czech
- Danish
- Egyptian Arabic
- Esperanto
- Estonian
- Finnish
- Galician
- Georgian
- Greek
- Hebrew
- Hungarian
- Icelandic
- Ido
- Irish
- Kabyle
- Kannada
- Kazakh
- Kyrgyz
- Latin
- Latvian
- Lithuanian
- Macedonian
- Malagasy
- Malay
- Malayalam
- Mongolian
- Nederlands
- Norwegian
- Norwegian Nynorsk
- Pashto
- Polski
- Romanian
- Serbian
- Serbian (Latin)
- simple
- Sindhi
- Slovak
- Slovenian
- Svenska
- Tamil
- Tatar
- Tiếng Việt
- Türkçe
- Ukrainian
- Urdu
- Uzbek
- Waray
- Western Panjabi
- Wu Chinese
- Yakut
- Yoruba
- zh_classical
- zh_min_nan
- zh_yue
- Zhuang
- فارسی
- ไทย
- 한국어
via Wikidata sitelinks · CC0