File:Jasper_outcrop_in_the_Bucegi_Mountains.jpg · Wikimedia Commons · See Wikimedia Commons
Jasper is a colorful, opaque stone made primarily of quartz that breaks smoothly and can be polished to a shine, making it useful for decorative objects and jewelry. Its practical value lies in its durability and attractive appearance—qualities that have made it a material of choice for ornamental items like vases and gemstones throughout history.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Mineral.name
- Jasper
- Mineral.boxbgcolor
- 732b1c
- Mineral.boxtextcolor
- FFFFFF
- Mineral.image
- Jasper outcrop in the Bucegi Mountains.jpg
- Mineral.imagesize
- 280px
- Mineral.caption
- Jasper outcrop, Bucegi Mountains, Romania
- Mineral.category
- Aggregate rock (impure chalcedony variety)
- Mineral.formula
- SiO2 (with varying impurities)
- Mineral.system
- Hexagonal
- Mineral.colour
- Most commonly red, but may be yellow, brown, green or (rarely) blue
- Mineral.habit
- Massive
- Mineral.cleavage
- Indiscernible
- Mineral.fracture
- Conchoidal
- Mineral.mohs
- 6.5–7
- Mineral.luster
- Vitreous
- Mineral.diaphaneity
- Opaque
- Mineral.gravity
- 2.5–2.9
- Mineral.refractive
- 1.54–2.65
via Wikipedia infobox
Wikidata facts
- Instance of
- mineral variety
- Subclass of
- chalcedony
- Part of
- Priestly breastplate
- Image
- Unpolished jasper.jpg
Show 3 more facts
- Commons category
- Jasper
- Mohs' hardness
- 7
- color
- black
Sources (2)
via Wikidata · CC0
Article · Italiano
Il diaspro (parola che è di origine persiana, ma connessa anche con il greco-latino iaspis, "pietra screziata") è una roccia sedimentaria mono-mineralogica, ossia formata da un unico minerale, composta da quarzo (SiO2), e contenente sovente alcune impurità, solitamente composti di ferro che conferiscono alla roccia vivaci colorazioni, rendendola ricercata come pietra semi-preziosa per la lavorazione in opifici.
Abstract from DBpedia / Wikipedia · CC BY-SA
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