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Results for “quartz”
Stones
2
Amethyst
Quartz
Agate
Quartz
Minerals
8
Quartz
SiO₂
Opal
SiO₂·nH₂O
Garnet group
X₃Y₂(SiO₄)₃
Zircon
ZrSiO₄
Albite
NaAlSi₃O₈
Beryl
Be₃Al₂Si₆O₁₈
Tourmaline
Complex borosilicate
Topaz
Al₂SiO₄(F,OH)₂
Regions
1
South Tien Shan
Research
1
The mineralogy of a unique baratovite- and miserite-bearing quartz–albite–aegirine rock from the Dara-i-Pioz Complex, northern Tajikistan
Articles
2
Hardness is not toughness
A mineral can resist scratching yet still split, chip, or shatter: hardness measures only one kind of resistance.
How to read a mineral assemblage at Dara-i-Pioz
At Dara-i-Pioz, the minerals beside a crystal reveal a sodium-rich alkaline system more clearly than colour alone.
Collection
4
Quartz crystal reference illustration
Quartz
Aegirine from Dara-i-Pioz — reference illustration
Aegirine
Agate rough nodule reference illustration
Quartz
Amethyst crystal cluster reference illustration
Quartz
Deposits map
3
Quartz, Karamazar
Quartz
Quartz, east of Istaravshan
Quartz
Quartz, Takob area
Quartz · Fluorite
