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แจสเปอร์

File:Jasper_outcrop_in_the_Bucegi_Mountains.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ201175· pop 60· linked from 585 articles

แจสเปอร์

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คาลซิโดนีที่มีสีหลากหลายจากออกไซด์ของแร่เหล็ก

AI overview

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
Image
Unpolished jasper.jpg
Show 3 more facts
Commons category
Jasper
Mohs' hardness
7
color
black
Sources (2)

via Wikidata · CC0

Gallery (26)