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  2. Collectible minerals
  3. Chalcedony

Collectible minerals - full range in stock "Chalcedony"

Chalcedony is a cryptocrystalline variety of quartz. It has a fine fiber structure. It has many varieties, the color of which varies greatly: carnelian, carnelian, sard, heliotrope, chrysoprase, sapphirine (not to be confused with the mineral sapphirine). Used in jewelry. Patterned chalcedony is called agate, black-and-white striped chalcedony is called onyx. Pseudo-stalactites of chalcedony are especially valued among collectors. Known since ancient times. Widely used in ancient Rome and Greece.

You can see chalcedony stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Chalcedony

General
Category Oxide minerals, quartz group
Formula
(repeating unit)		 Silica (silicon dioxide, SiO2)
Crystal system Trigonal or monoclinic
Identification
Formula mass 60 g/mol
Color Various
Cleavage Absent
Fracture Uneven, splintery, conchoidal
Mohs scale hardness 6–7
Luster Waxy, vitreous, dull, greasy, silky
Streak White
Diaphaneity Translucent
Specific gravity 2.59–2.61
Socket on Chalcedony, Milky Quartz (UV)
Code: 2979
Socket on Chalcedony, Milky Quartz (UV)
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
76*33*33mm

0.00 $ $40.00

Socket on Chalcedony, Milky Quartz (UV)
Code: 2982
Socket on Chalcedony, Milky Quartz (UV)
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
67*34*27mm

0.00 $ $16.67

Milky Quart, Chalcedony (UV)
Code: 2914
Milky Quart, Chalcedony (UV)
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
58*35*16mm

0.00 $ $15.00

Sockets on Chalcedony, Milky Quartz (UV)
Code: 2922
Sockets on Chalcedony, Milky Quartz (UV)
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
24*22*15mm

0.00 $ $8.33

Sockets on Chalcedony
Code: 2924
Sockets on Chalcedony
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
32*21*18mm

0.00 $ $8.33

Sockets on Chalcedony, Milky Quartz
Code: 2930
Sockets on Chalcedony, Milky Quartz
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
39*33*21mm

0.00 $ $11.67

Sockets on Chalcedony, Milky Quartz (UV)
Code: 2935
Sockets on Chalcedony, Milky Quartz (UV)
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
108*43*37mm

0.00 $ $45.00

Sockets on Chalcedony, Milky Quartz (UV)
Code: 2941
Sockets on Chalcedony, Milky Quartz (UV)
Staritskij Rajon, Tverskaya Oblast, Moscow region, RF
91*56*45mm

0.00 $ $66.67

Quartz, Chalcedony
Code: 2756
Quartz, Chalcedony
Staraya Sitnya, Moscow region, RF
125*68*58mm

0.00 $ $30.00

Quartz, Chalcedony
Code: 2757
Quartz, Chalcedony
Staraya Sitnya, Moscow region, RF
72*69*104mm

0.00 $ $20.00

Quartz, Chalcedony
Code: 2758
Quartz, Chalcedony
Staraya Sitnya, Moscow region, RF
96*64*39mm

0.00 $ $11.67

Quartz, Chalcedony
Code: 2759
Quartz, Chalcedony
Staraya Sitnya, Moscow region, RF
60*45*27mm

0.00 $ $6.67

Milky Quartz on Chalcedony
Code: 2682
Milky Quartz on Chalcedony
Staritskij Rajon, Tverskaya Oblast, Moscow region, Russia
63*54*38mm

0.00 $ $24.33

Milky Quartz Sockets on Chalcedony
Code: 2562
Milky Quartz Sockets on Chalcedony
Staritskij Rajon, Tverskaya Oblast, Moscow region, Russia
38*21*17mm

0.00 $ $9.50

Chalcedony
Code: 24
Chalcedony
Golutvin, Moscow region, RF
50*30*40mm

0.00 $ $9.67

Chalcedony
Code: 115
Chalcedony
Moscow region, RF
59*47*39mm

0.00 $ $6.67

Chalcedony
Code: 285
Chalcedony
Staraya Sitnya, Moscow region, RF
133*109*90mm

0.00 $ $43.33

Chalcedony
Code: 265
Chalcedony
Staritsky quarry, Tver region, RF
80*21*16mm

0.00 $ $15.00

Quartz milky
Code: 186
Quartz milky
Staritsky quarry, Tver region, RF
36*32*21mm

0.00 $ $13.33

Quartz milky, Chalcedony
Code: 836
Quartz milky, Chalcedony
Staritsky quarry, Tver region, RF
39*25*15mm

0.00 $ $10.00

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