Manchester Minerals Crystals

Crystals

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Online Catalogue | Crystal Healing: Crystals, Pyramids, Wands, Books | Crystals

Quality Indian Zeolite Assortment

Ref: ZeolMix

Stunning value mix owing to bulk import by us direct from India. Suitable as an amazing addition to any enthusiasts collection but also offered at such a low price that they present an opportunity for re-sale.

We have carefully chosen a collectors assortment of high quality crystalline zeolite specimens from India.
Each box will contain at least one specimen each of the majority of the more widely recognised types but by the very nature of these specimens there are likely to be more unusual crystals nestling amongst the varied clusters.
Usually included are Stilbite (pink 'sheaves'), Apophylite (clear cubic crystals with pyramid terminations), Prehnite (pale green), Gyrolite (green spheroids), Calcite (clear or brown), Heulandite (Pink or white Diamond-shaped 'fan') and Okenite (fragile white crystalline 'puff-ball'). Many of these attractive specimens will have more than one type of zeolite present on the piece. Collection weight on average 2.7Kgs and 15-20 specimens per box (Box measures 40cms x 20cms x 10cms).

Price(GBP)£34.04 (£40.00 Including VAT at 17.5%)

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Single Herkimer-type Quartz Crystal from Morocco

Ref: QtzHerkTypeLge

Quartz, which is the most abundant silica mineral and which occurs in most igneous and practically all metamorphic and sedimentary rocks, is nearly pure silicon dioxide. The name quartz is believed to have originated in the early 1500s from the Saxon word querklufterz (cross-vein ore), which was corrupted to quererz and then to quartz. Quartz was well known to the ancients, who called it crystal or ROCK CRYSTAL.
Quartz is colorless and transparent when pure. Its hardness is 7 on the Mohs scale. This crystal exhibits clarity with natural smooth faces in a double-terminated configuration and similar crystals from Herkimer County in New York are prized by collectors throughout the world.
Crystal supplied will have an average dimension of 2cms. and will be supplied mounted on a descriptive card.

Price per Crystal:£2.08 (£2.44 Including VAT at 17.5%)

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'Rock Crystal' Quartz Single Crystal

Ref: XtlQtz

Quartz, which is the most abundant silica mineral and which occurs in most igneous and practically all metamorphic and sedimentary rocks, is nearly pure silicon dioxide. The name quartz is believed to have originated in the early 1500s from the Saxon word querklufterz (cross-vein ore), which was corrupted to quererz and then to quartz. Quartz was well known to the ancients, who called it crystal or ROCK CRYSTAL.
Quartz is colorless and transparent when pure. Its hardness is 7 on the Mohs scale.Coloured varieties are numerous and popular. Amethyst (violet); smoky quartz; cairngorm, or morion (black); citrine (yellow); and rose quartz are common and arise by the incorporation of a tiny fraction of elements that substitute for silicon atoms, such as iron, aluminum, manganese, and titanium.

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People who bought this item also bought:
1. Diamond Drill Bits (Ref: DiaDrill)
2. Garnet Cabochon (Ref: GarnetCab)

TEKTITE (Hunan, China) Average 4cms (Carded)

Ref: 23-890

This tektite was said to be from Hunan, an inland province in southeast China, situated adjacent (north and northwest of) Guangdong. Tektites appear to be glassy bodies formed from sediments melted during large terrestrial impact events. Many but not all exhibit tubular to button-shaped forms, often with tiny surface ridges or bubbles, the overall shape consistent with a glass cooling and solidifying during its brief atmospheric passage during “re-entry”. Because they are largely glass, possible sources of mistaken identity include glassy volcanic rocks (e.g., obsidian), slags and other industrial by-products, and waterworn bottle glass recovered on beaches.
Average size 3cms to 5cms.

Price per Tektite with descriptive card:£1.66 (£1.95 Including VAT at 17.5%)

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MAGNETITE crystals (4-9mm) in tub (avge 60pcs)

Ref: 23-817

Magnetite is one of the most widespread and abundant minerals and an important ore of iron. An OXIDE MINERAL, it crystalizes in the isometric system forming iron-black octahedral and dodecahedral crystals, as well as granular or laminated masses.
The naturally magnetic variety, lodestone, was well known to the ancient Greeks. Hardness is 5.5-6.5. Often formed at high temperature, magnetite is a common constituent of crystalline rocks, forming abundant grains in ferromagnesian igneous rocks and disseminated crystals in metamorphic rocks. It also occurs in beach sand, in meteorites, and in the natural abrasive EMERY.
The world’s largest deposits are in northern Sweden. The most powerfully magnetic material occurs in the Harz mountains, in Siberia, and on the island Elba.

Price per tub:£1.95 (£2.29 Including VAT at 17.5%)

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People who bought this item also bought:
1. Pouch - Velour (Ref: PouchNew)
2. Fluorite Bead Strings (Ref: FlBeads)

Fluorite Crystal Octahedra

Ref: FluoritOct

FLUORITE -also called FLUORSPAR, common halide mineral, calcium fluoride (CaF2). Fluorite occurs most commonly as a glassy, many-hued vein mineral and is often associated with lead and silver ores; it also occurs in cavities, in sedimentary rocks, in pegmatites, and in hot-springs areas. It is widespread throughout the world. Fluorite is used, amongst other things, as a flux in the manufacture of open-hearth steel. In the nineteenth century 'Blue John', a variety from Derbyshire, England, was widely used in ornamental vases and other objects.
This bi-pyramidal cleaved octahedra crystal measures on average about 15mm and is of a pale/clear colour.

Price per crystal£1.06 (£1.25 Including VAT at 17.5%)

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People who bought this item also bought:
1. Sterling Silver Neckchains (Ref: SilverChains)
2. Merkaba 8-point star swivel Pendant. Amethyst. St.Silver (Ref: 83-263)

Garnet Crystal

Ref: GarnetXtl

Garnet, general name of a group of related minerals, often used as gemstones and abrasives. Garnets crystallize in the isometric system, sometimes as rhombic dodecahedrons like this specimen. The different varieties of garnet exhibit almost all colors except blue. Brown, red, green, yellow, black, and colorless stones are common.
The hardness of garnet varies from 6 to 7.5, and the specific gravities of specimens may be anywhere between 3.6 and 4.3. Garnets have a vitreous or resinous luster, and are compound silicates; the varieties are usually differentiated by their chemical composition.
Grossularite, Ca3Al2(SiO4)3, is a light-colored or colorless garnet, usually found in shades of green, red, yellow, or brown. Specimens supplied are about 3cms

Price per crystal:£8.46 (£9.94 Including VAT at 17.5%)

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People who bought this item also bought:
1. Specular Hematite Crystal (Ref: SpecHem)
2. Iron Pyrite Crystal on matrix 23-854 (Ref: PyriteMatrix)

Natural Turquoise 'Nugget'

Ref: XtlTurq

Turquoise is composed chiefly of hydrated aluminum phosphate, and prized throughout the world as a gemstone. It has a hardness of 5 to 6 and, in the unpolished state, shines with a feeble, waxy luster. It is often 'stabilized' with resin to give a smooth consistent texture.The color ranges from blue and blue-green to greenish-gray, according to the various amounts of copper usually present. It has been valued for its ornamental properties since ancient times and has been found in jewellery from old Egyptian tombs. The Aztec of Mexico commonly used turquoise for their fine mosaic art and introduced the stone to the surrounding Indian communities.
Sky-blue variety of turquoise is the most popular type for jewelry. When exposed to sunlight or heat, this variety sometimes becomes dehydrated and turns green. In the U.S., the mineral is worked in New Mexico, and in parts of California, Nevada, and Arizona .
Our specimens are flattish tumble polished 'nuggets' of 'Sleeping Beauty' Turquoise from Arizona: each about 20-30mm on the long dimension.

Price(GBP)£2.08 (£2.44 Including VAT at 17.5%)

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People who bought this item also bought:
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Ruby (Corundum) Crystal

Ref: XtlRuby

Corundum (Brazil)

Rubies are a form of corundum, which is the second hardest mineral after diamond. The most valued are clear, deep red termed "pigeon's blood". Some rubies display a star when illuminated because of an effect called asterism. Asterism is caused by inclusions, which are needle-like extensions of other mineral crystals (such as rutile) trapped within the primary stone.
Many stones that are not rubies are nevertheless called rubies. The balas, or balas ruby, for example, is a type of spinel; the Bohemian ruby is rose quartz; the Siberian ruby is red or pink tourmaline; others are varieties of garnet.
Synthetic rubies are used as gems, but most of the production is used in the manufacture of watches and instruments.
Ruby is the Birthstone for July.