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PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
£7.00 ex VAT
1 kilo of orthoclase feldspar mineral specimens from Norway. The mineral specimens are a pale pink colour, and show the typical cubic cleavage expected from orthoclase feldspar. Ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight.
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During sale periods and promotions the delivery time may be longer than normal.
Elessi will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase.
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed.
Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
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Phone: +1 (23) 456 789
Orthoclase feldspar is a well known mineral and a common constituent found in many igneous rocks. It has two cleavage planes, which are at right angles to one another, resulting in the crystals breaking into rhombic forms and is the reason for its naming, being derived form the ancient Greek wording for “straight fracture.” It is often pink in colour but can be white or pale grey. It is fairly hard at 6 – 6.5 on the Moh’s scale of hardness and has a vitreous lustre, which means it shines or reflects light. Orthoclase is commonly found in many granitic rocks, being one of the main constituent minerals, the other two being quartz and mica. It is also common in felsic rocks such as rhyolite. These specimens are supplied by weight, upto 1 kilograms and come supplied in a polythene bag with an information label, the sizes of the pieces inside vary between 20 mm to 80 mm.
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Specimens of Chalcopyrite, collected from Morocco. Chalcopyrite is a major copper ore, with a brassy yellow colour and metallic lustre. This lustre dulls over time however as oxidation occurs. These specimens come in a heavy duty polythene bag with pieces of various sizes.
1 kilo of clear transparent rock crystal chunk mineral specimens. The rock crystal mineral specimens are a clear form of quartz, they show a conchoidal fracture when observed closely and are ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag by kilo weight..
Specimens of Aragonite Groups (Crystal Beds), collected from Morocco. These pieces range in colour from white, to pale yellow or light brown. They exhibit a botryoidal crystal habit, and in some cases, almost stalactitic. They come in lots of 1kg, in a heavy duty polythene bag. Pieces are of various sizes.
1 kilo of gypsum mineral specimens, particular the variant, satin spar These samples exhibit the needle like fibrous crystal structure expected of gypsum. Ideal for schools, educational and teaching use or for when bulk amounts are needed, specimens supplied are a range of sizes between 20 mm and 40 mm and come supplied in a polythene bag with an information card.
43 in stock
1 kilo of moss agate mineral specimens from India. Agate is a distinctly banded variety of chalcedony, belonging to the quartz family. These particular specimens are a dark green colour, hence the name ‘moss agate’ but sometimes may exhibit red spots, known as blood stone. Kilo bags are ideal for schools, educational and teaching use, specimens supplied are a range of sizes and come in a strong polythene bag with a label.
Specimens of Chalcedony, collected from Morocco. Chalcedony is a silicate mineral, with a waxy lustre and botryoidal appearance. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces are of various sizes.
Specimens of Milky Quartz, collected from Norway. This mineral has a variety of names, including white quartz, snow quartz and milky quartz. This is due to its translucent to opaque white colouration. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
Specimens of Halite, collected from the Boulby Mine in Redcar, North Yorkshire, UK. Halite is a salt mineral, with a translucent colouration that includes orange, yellow or brown tinges. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in a variety of sizes.
Specimens of Limonite, collected from Australia. Limonite is mineral with a brown, earthy appearance and texture. Alongside haematite, it is also one of the two major iron ores. Comes in lots of 1kg, in a heavy duty polythene bag. Pieces are of various sizes.
20 in stock
Specimens of Lapis Lazuli, collected from Afghanistan. Despite beliefs of lapis lazuli being a mineral and gemstone, it is in fact a metamorphic rock. Lazurite is the primary mineral that contributes to its distinct blue colouration. Calcite and pyrite are the other constituent minerals that make up this rock. These specimens come in a heavy duty polythene bag with pieces of various sizes.
Specimens of Olivine, collected from Norway. Olivine is a rock forming mineral with a distinct green colouration. These pieces range in texture from granular to more crystalline, and may contain grey silver streaks of Kammererite. Specimens come in lots of 1kg, in a heavy duty polythene bag with an information label. Pieces come in various sizes.
Out of stock
Specimens of Calcite Rhombs, collected from Morocco. Calcite is a common mineral with various forms and colours. It is most recognisable by its low Mohs hardness of 3, and its high reactivity with even weak acids. These specimens come in lots of 1kg, in a heavy duty polythene bag. Pieces come in various sizes.
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