- ×
BLUE CHALCEDONY 5 1 × $62
BLUE CHALCEDONY 5 Subtotal: $62
Minerals of the World
Showing 61–75 of 826 results
- Minerals of the World, Polished Stones
MALACHITE POLISHED 02
A specimen piece of Malachite Polished to great effect, with banded circular patterning. Deep forest green in colour and a good solid piece. It is obvious why Malachite is so popular when you see pieces like this. The heavy weight reflects its copper content, another interesting aspect of this popular mineral.
Dimensions:
6cm x 5.5cm x 2cm, 126g.Location:
D.R. Congo.Malachite
Cu2(CO3)(OH)2.SKU: P22M02 - Minerals of the World
COBALTOAN CALCITE 2
A gorgeous crimson pink Cobaltoan Calcite 2 specimen with vibrant sparkling colour. Calcite Crystals with cobalt have covered the face of the host rock. One side of the host rock is covered with pink crystals, with the rest of the rock also slightly pink from the cobalt content. An unusual cluster, there aren’t too many pinks in nature and this is a nice large affordable piece. Great for jewellery making or just to admire as is.
Dimensions:
5.7cm x 4cm x 4cm, 148g.Location:
D.R. Congo, Africa.Cobaltoan Calcite
(Ca,Co)CO3A variety of calcite containing Co2+ replacing Ca.
Calcium Carbonate
CaCO3.
Check out more Cobaltoan Calcite for sale here.
SKU: M22CO02 - Crystals, Minerals of the World
DANBURITE CRYSTALS
Danburite Crystals on matrix, a good hand-sized piece with many danburite crystals with Calcite. One large pink crystal appears on the front of the piece. An interesting specimen of a popular mineral.
Dimensions:
7.5cm x 8.3cm x 7.4cm, 465g.Location:
Aurora Mine, Charcas, San Luis Potosí, Mexico.SKU: MW6137 - Metal Specimens, Minerals of the World, Top Shelf
BOURNONITE CRYSTAL
A rare and well formed Bournonite Crystal. This is a great metal specimen, displaying the characteristic ‘cogwheel’ crystal formation of this material. A truly special gift for any mineral collector. Like yourself!
Dimensions:
2.1cm x 2.6cm x 2cm, 28g.
Location:
Yaogangxian Mine, Chenzhou Prefecture, Hunan Province, China.PbCuSbS3.
Copper lead antimony sulfide.SKU: n/a - Galena, Metal Specimens, Minerals of the World, Pyrite, Top Shelf
GALENA SPHALERITE CHALCOPYRITE
A large specimen with outstanding crystal formations of Galena Sphalerite Chalcopyrite, Pyrite and Quartz. This is a spectacular museum quality specimen displaying stunning crystals. A very collectable metal specimen with well formed crystal structures of several types. Featuring geometric crystal Galena forms, roses of Sphalerite crystals, brightly coloured crystals of Chalcopyrite and little clusters of striated Pyrite cubes. Not to mention the Quartz crystals. There are some minor dings on a few quartz crystals, but not enough to detract from the rarity and quality of the specimen, which stands upright. This is the best Galena Sphalerite Chalcopyrite specimen we have sold online. A truly one of a kind piece for the mineral collector. Grace your collection with this great natural treasure. A top shelf specimen from the private collection.
Location:
Borieva Mine, Madan, Bulgaria.Dimensions:
20.5cm x 18.5cm x 12cm, 3813g.Galena: PbS or (Pb,Ag,As,Sb,Cu)S.
Sphalerite: ZnS.
Chalcopyrite: CuFeS2.
Pyrite: FeS2.
Quartz: SiO2.
SKU: MW6946-1 - Crystals, Gem Crystals, Minerals of the World, Top Shelf
AZURITE CRYSTALS
Gem Azurite Crystals Specimen as an investment for collection. A stunning display of Azurite Crystals showing terminations. The location from where this specimen comes is now closed. This is where some of the best Crystal Azurite Specimens came from.
Dimensions:
3.1cm x 1.7cm x 3.5cm, 14.23g (not including perspex pad).Location:
Milpillas Mine, Nacozari, Sonora, Mexico.AZURITE:
Cu3(CO3)2(OH)2.SKU: F33001 - Crystals, Metal Specimens, Minerals of the World, Pyrite
CHALCOPYRITE CRYSTAL
A beautiful Chalcopyrite Crystal Cluster on a Quartz matrix. Chalcopyrite is Pyrite with Copper which gives it a more realistic look of gold. A great chunky specimen which has taken millions of years for nature to produce. The specimen is mounted on a perspex pad for enhanced display.
Dimensions:
6.6cm x 3.9cm x 5cm, 145g.Location:
Madan, Bulgaria.Chalcopyrite: CuFeS2.
SKU: MW8192 - Fluorescent Specimens, Metal Specimens, Minerals of the World, Rock 'n Slabs, Slabs, Top Shelf
WILLEMITE FLUORESCENT SLAB 01
Fluorescent Specimens, Metal Specimens, Minerals of the World, Rock 'n Slabs, Slabs, Top ShelfWILLEMITE FLUORESCENT SLAB 01
A stunning specimen of Willemite Fluorescent Slab showing off the brightest fluorescence of all natural minerals Willemite. This rare special specimen is short and long wave fluorescent. The dark grey metal shown in the natural light photos is Zinc ore Franklinite. The white mineral is Mangano Calcite, shows as Pink with UVA Long Wave and Orange with UVC Short Wave. The Willemite is Bright Mesmerising Green under both fluorescent wave lengths. Pics taken with shortwave, longwave, and sunlight. Very cool stuff and this is one of my very favorite rocks. This is a small high quality specimen with bright fluorescence at a bargain price. The Slab is intended as a specimen and may have natural fractures which may not make it suitable for Lapidary work.
To view this spectacular specimen’s fluorescent colours you will need a UVC Shortwave Lamp and UVA Longwave Lamp. Make sure you wear safety glasses. Willemite Franklinite Calcite is also known as the Christmas Tree Rock for the colours Green and Red. This is a quality collectable specimen with wow factor.
Location:
Franklin, New Jersey, USA.Dimensions:
1.8cm x 6.5cm x 10.5cm, 255g.Willemite, Zinc Silicate Zn2Sio4
Franklinite, Zinc Iron Manganese Oxide Zn2+Fe23+O4
Mangano Calcite, (Ca,Mn)CO3.
Check out more Fluorescent Specimens for sale here
The Historical Story of Franklin Mine
SKU: WFS01 - Crystals, Minerals of the World, Top Shelf
DIOPTASE SPECIMEN 1
A lovely bright and sparkly Dioptase Specimen 1. This large specimen has great coverage with crystals of vivid green colour. Splashes of nice yellow Mimetite are seen around the Dioptase Crystals. A quality cluster with well formed small Dioptase Crystals. A super-duper piece and collectors favourite worthy of the Top Shelf. Check out the pics and video on this page.
Location:
DR. Congo.Dimensions:
9.3cm x 5.6cm x 6.1cm, 250g.CuSiO3 -H2O.
Hydrated copper silicate.SKU: M22D01 - Crystals, Minerals of the World, Quartz
BLUE LACE AGATE 1
A beautiful natural Blue Lace Agate 1. Pastel blue banding. This stone has great colour and will make a good collection piece. Blue Lace Agate Rough ready for lapidary work and slabbing. An unusual treasure-find.
Location:
Malawi, Africa.Dimensions:
8.2cm x 5.5cm x 5.4cm, 388g.SKU: C22BLA01 - Crystals, Minerals of the World, Quartz
BLUE CHALCEDONY 1
A beautiful natural Blue Chalcedony. Pastel blue crystals inside and blue banding along the edges. This stone has great colour and will make a good collection piece. An unusual treasure-find.
Location:
Malawi, Africa.Dimensions:
14.5cm x 11.5cm x 6.8cm, 691g.CHALCEDONY
SKU: C22BC01 - Crystals, Minerals of the World, Spheres
CELESTITE SPHERE 11
A beautiful Celestite Crystal Sphere 11! Great cool blue colour and form with a striking crystals in the middle of the cluster. This is a very nice specimen of this mineral, with no damage. A very popular mineral, great well formed crystals. Blue is always popular in stones and this has a particularly nice hue. This mineral is also known as Celestine. You may notice it has the same crystal shape as Topaz. Spoil yourself, or someone like you!
Location:
Sakoany, Madagascar.Dimensions:
4cm, 110g.Strontium Sulfate
SrSO4.SKU: S22CE11 - Minerals of the World
COBALTOAN CALCITE 9
A gorgeous crimson pink Cobaltoan Calcite 9 specimen with vibrant sparkling colour. Calcite Crystals with cobalt have covered the face of the host rock. One side of the host rock is covered with pink crystals, with the rest of the rock also slightly pink from the cobalt content. An unusual cluster, there aren’t too many pinks in nature and this is a nice large affordable piece. Great for jewellery making or just to admire as is.
Dimensions:
6.5cm x 3.5cm x 3.5cm, 98g.Location:
D.R. Congo, Africa.Cobaltoan Calcite
(Ca,Co)CO3A variety of calcite containing Co2+ replacing Ca.
Calcium Carbonate
CaCO3.
Check out more Cobaltoan Calcite for sale here.
SKU: M22CO09 - Minerals of the World, Polished Stones, Slabs
MALACHITE SLAB POLISHED 10
A beautifully banded Malachite Slab Polished 10 to show its deep green colour. This is the perfect addition to a mineral or crystal collection or for lapidary jewellery work. Malachite is popular among all ages, with great properties and industrial uses as a major ore of copper. Comes with the low profile clear perspex stand. Check out the details and pics of this specimen on this page.
Dimensions:
6.5cm x 4.5cm x 0.7cm, 51g.Location:
AfricaMalachite: Cu2(CO3)(OH)2.
SKU: M22MS10 - Crystals, Minerals of the World, Quartz
BLUE CHALCEDONY 2
A beautiful natural Blue Chalcedony. Pastel blue crystals inside and blue banding along the edges. This stone has great colour and will make a good collection piece. An unusual treasure-find.
Location:
Malawi, Africa.Dimensions:
11.4cm x 6.4cm x 5.2cm, 266g.CHALCEDONY
SKU: C22BC02
