- Monday, May 27, 2019
- Friday, May 10, 2019
- Wednesday, April 17, 2019
- Wednesday, April 17, 2019
- Dienstag, 2. April 2019
- Freitag, 22. März 2019
- Sonntag, 17. März 2019
- Friday, March 15, 2019
- Dienstag, 12. März 2019
- Sunday, March 10, 2019
- ♀️ Friday, March 8, 2019 ♀️
- Monday, March 4, 2019
- Sunday, March 3, 2019
- Friday, March 1, 2019
- Monday, February 25, 2019
- Saturday, February 23, 2019
- Friday, February 22, 2019
- Thursday, February 21, 2019
- Monday, February 18, 2019
- Sunday, February 17, 2019
- Thursday, February 14, 2019
- Wednesday, February 13, 2019
- Sunday, February 3, 2019
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Monday, May 27, 2019
Variscite – The Vogtland Stone
Variscite usually produces a green to blue-green gem, with enthralling patterns and vibrant colours.
Typically chromium impurities result in the intense green colour of this gemstone. The mineral is often streaked with yellow to white veins, which is largely a result of the mineral crandallite. However, veins of other minerals like goyazite, gordonite or wardite are also possible.
Variscite was first described in 1837 by the German mineralogist, Johann Friedrich August Breithaupt, who found it in Vogtland. Variscite is often mistaken for turquoise, with misleading terms like “Utah-Turquoise” which is actually variscite ….
Friday, May 10, 2019
Jade – actually two different gems
Any gemstone lover has heard of this distinctive green gemstone, which is not surprising, since jade is one of the oldest gemstones known to man. However, this mineral is not an independent, recognised gemstone.
Rather, French mineralogist Alexis Damour recognized in the 19th century that Jade was actually composed of the two minerals jadeite and nephrite. Although these two gemstones resemble each other both visually and structurally, they nevertheless differ in their chemical composition.
Both minerals have been known since ancient times, that is, since the beginnings of humankind 2.5 million years ago. Jadeite is more rare and therefore more valuable than nephrite.
The oldest finds of processed jade come from the Paleolithic Age. This mineral was especially popular with Pacific Peoples, especially among the Chinese.
Wednesday, April 17, 2019
Wednesday, April 17, 2019
Cordierite – The Violet Stone – Also Iolite or Dichroit
The cordierite is a mostly bluish gemstone that belongs to the mineral class of silicates and germanates. With a Mohs hardness of 7 to 7.5, the stone, also known as Iolite, belongs to the harder minerals. So he is z. B. able to score glass or enamel.
Cordierite is mostly blue; more specifically violet blue to deep blue. However, it can also be colorless, yellowish-brown, greenish or gray.
As the term “Dichroit” suggests, the gemstone has so-called dichroic properties. As dichroism (also called pleochroism in minerals), the property of certain substances is called to absorb or reflect light differently depending on the direction. This means that the Cordierit colors change depending on the light’s radiation.
Dienstag, 2. April 2019
Serpentinite – Das Similar snake-mineral
The serpentinite is the result of a metamorphosis, ie due to high pressure and temperatures in the earth’s crust. The starting rocks are mostly peridots, which react with aqueous fluids due to the high pressure and high temperatures.
Serpentinites are rich in magnesium and water and have a light to dark green color. The name of the gem describes its similarity to the serpent skin texture (serpent = snake).
Freitag, 22. März 2019
The anapaite or tamanite
Anapaite is a rare gem belonging to the mineral class of phosphates, arsenates and vanadates. It has a light to dark green color and is quite soft (Mohs hardness: 3.5).
It owes its name to its locality: Anapa (Russia). There he was first found in 1902. A year later, a similar-looking mineral was found and named Tamanite. However, it soon turned out that these two minerals were actually one and the same stone. Above all, his first name, Anapait, has established itself.
The anapaite is a secondary mineral, which means that it formed only after the rock surrounding it has formed. One of its 22 known sites is the German Sondheim in Bavaria.
Sonntag, 17. März 2019
Heliotrope (Blood Jasper) – The Stone of the Solstice
The name heliotrope is made up of the Greek words Helio (Ήλιος) and Trope (τροπή) Sun and turn together. For this reason, it is also called the stone of the solstice or solstice.
Another relationship of the mineral is blood jasper. However, the heliotrope has a different structure than the jasper. In English, this gemstone is also referred to as “Bloodstone”. This can be misleading, as the corresponding German translation “Blutstein” actually means hematite.
The heliotrope is a variety of mineral chalcedony. It has a dark to light green color and has red mottling (iron oxide).
Friday, March 15, 2019
Unakit (epidote + feldspar + quartz)
Unakit is a rock that is composed by the so-called metasomatosis of quartz, feldspar and epidote. In metasomatosis, the elemental chemical composition of the rock or a rock component is changed or replaced.
More specifically, the unakite is an altered granite consisting of pink feldspar (soda feldspar), colorless quartz and green epidote.
Dienstag, 12. März 2019
What is the difference between gemstones, semiprecious stones and gemstones?
As gemstones are:
- elements or chemical compounds (minerals, rocks, molten glass),
- Substances of organic origin (amber, fossils, pitch coal)
- But also pearls, corals and mother-of-pearl
referred to, which are perceived as beautiful and used for the production of jewelry.
Sunday, March 10, 2019
Stromatolite – witnesses of ancient life
Stromatolites are sedimentary rocks (stratified rocks) of biological origin. So they were created by living beings – about 3.5 billion years ago. Stromatolites are formed by microorganisms such as cyanobacteria or unicellular algae.
The oldest fossils found so far are almost exclusively stromatolites. Therefore, these biogenic deposition rocks provide clues as to how life has evolved.
Almost all stromatolites are limestone and are formed in waters containing high calcium and Have bicarbonate concentration. The microorganisms capture the particles of the sediment and bind it by means of their secreted mucus (biofilm). This happens as a result of their metabolism or growth. The organisms usually use water, carbon dioxide and sunlight to produce their food and they release oxygen as a by-product.
The stromatolites are considered the first structures known today, which are demonstrably built by organisms. The oldest finds come from a time about 3.5 billion years ago, ie from the Precambrian (earth-ripening).
♀️ Friday, March 8, 2019 ♀️
Happy International Women’s Day 2019!
To celebrate the day, we would like to draw attention once again to the lapis lazuli fund in the tartar of a nun:
Women did not have much rights in the Middle Ages. As a rule, they should, above all, give birth and raise the children. The illustration of precious works and the use of valuable materials such as lapis lazuli came into question only for the much higher men – so the assumption of many people u nd also numerous historians. But the nun from the German monastery could bring new knowledge.
Monday, March 4, 2019
Klinochlor or Clinochlor (also called seraphinite or ripidolite)
The Klinochlor or Clinochlor (also Seraphinite or Ripidolite) is a gemstone from the mineral class of silicates and germanate, which also belongs to the chlorite group.
Its name comes from the Greek and describes its appearance and color. Clino (κλίνω) refers to the inclination (κλίση) of the gemstone (the optical axis of the clinochlorite is tilted), while chloros ( ωλωρός ) stands for fresh, green plants (Chlorida / χλωρίδα = Flora).
William Phipps Blake, an American mineralogist and geologist first described the gem in Pennsylvania in 1851.
Sunday, March 3, 2019
We wish you all a nice and relaxed Sunday 🙂 In the photo you can see a gemstone tree (lucky tree) with amethyst.
Further information toAmethyst
Hier finden Sie außerdem Edelsteinbäumchen:
Friday, March 1, 2019
Klinohumit – a very rare gem
The Klinohumit is a very rare and special gemstone. Its colors range from a white or yellow (pamir), a red to brown or a reddish brown (Taymyr) to a green.
The orange Klinohumit seen in the photo is called Pamir. The Klinohumit belongs to the mineral class of silicates, more precisely the island silicates (nesosilicates). The mineral was first discovered in 1876.
The Klinohumit was until recently one of the 10th rarest gemstones in the world: there were only a few thousand carats of gemstone in private collections. Meanwhile, some new sources have been discovered, most recently in 2005 in Tanzania (Africa). Nevertheless, the Klinohumit still remains an extremely rare and precious gem.
white, yellow (pamir), orange (pamir), reddish brown (Taymyr), brown, greenish
Monday, February 25, 2019
Chalcopyrite – The Gemstone that Stands Variegated
The Chalcopyrite is actually brass to golden yellow, but it runs after some time in all the colors of the rainbow. For this reason, the mineral is also known as stained copper. Other synonyms are chalcopyrite or pumice.
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The Chalcopyrite It consists of copper, iron and sulfur and belongs to the mineral class of sulfides and sulfosalts. The chalcopyrite is used primarily as a raw material: it is an important copper ore and is used, among other things. a. also processed in solar cells.
With a Mohs hardness of 3.5 to 4, the chalcopyrite is quite soft and can be cut with a standard knife. For this reason, he is also not suitable for the production of jewelry.
Its nicer Gloss and the numerous colors make the stone but so popular that it is still offered as tumbled or pendant. If you want to wear the chalcopyrite as a jewelry, you should take good care of it, as it can easily be scratched and damaged in any other way.
Saturday, February 23, 2019
Friday, February 22, 2019
The beautiful bluish to purple shimmering labradorite is a mineral combination of albite and anorthite from the mineral class of silicates. Previously regarded as an independent mineral, today it is considered a plagioclase (feldpsat).
The intriguing metallic luster of the mineral is referred to as labradorescence or iridescent play of colors. Usually the gloss of the labradorite is blue, green or violet, but other colors are possible. A variety of labradorite that covers the entire color spectrum of so-called labradorescence is the spectral.
Loose stones or jewelry with:
Thursday, February 21, 2019
Monday, February 18, 2019
Quartz with Schörl
Quartz is one of the most well-known minerals, which in its pure form (as here in the picture) is colorless, but can admit all kinds of colors by admixtures of foreign bodies (or irradiation or foreign ions).
Schörl belongs to the tourmaline group and was first written in 1562 by Johannes Mathesius, a Lutheran Reformer and German pastor, described as Schürl. Its colors range from a greenish, bluish or brownish black to a deep black.
Here you will find loose stones as well as jewelery with:
Sunday, February 17, 2019
Charoite or Charoit – A rare gem
The Charoit or Charoit is a rare mineral from the silicate mineral class. The stone owes its name to its locality, the Chara River in Siberia. This is also the only place where the Charoit has been found so far.
The charoite was first described in 1966 and has been in existence since 1978 as a recognized mineral (IMA).
Its colors range from a lilac, pink and purple to a dark purple.
Whether loose stones or handmade jewelery, at Etsy you’ll find beautiful Products with Charoit .
Thursday, February 14, 2019
The most beautiful gift – to be hit by Cupid’s arrow! ❤️
Today is Valentine’s Day, a day that stands for love and romance. Anyone who was hit by Cupid’s arrow can truly be happy, because there is nothing better than to be happy in love!
We hope all you lucky people spend an unforgettable day together and all the searchers will soon find their better half!
Here are some great gift ideas for your partner
Wednesday, February 13, 2019
Celestine – Sky Blue Stone
The word Coelestin comes from the Latin coelestis for sky blue. This is, as in the photo, the most common color of this gemstone. If a bluish celestin is heated to over 200 ° C, it loses its color.
If he is irradiated with X-rays, however, his color can be recovered or even intensified.
Click here for loose stones, jewelry and many more Products with Celestin .
Sunday, February 3, 2019
Since the Carmeltazite was recognized as a new mineral by the IMA at the beginning of 2019, various stories are circulating around this stone.
In the headlines u. a. from an extraterrestrial origin and from the fact that the so-called Carmel sapphire is harder than diamond.