Olivine is a magnesium iron silicate mineral and belongs to the orthorhombic crystal system. The crystals are short columnar. Complete crystals are rare. Most of them are irregular round granular aggregates. They have glass luster, διαφανές έως ημιδιαφανές, και σκληρότητα του 6.5-7.0. Olivine is a kind of self-colored gemstone, which is green due to iron […]
Αρχείων κατηγορίας: Νέα
Topaz is a kind of magnesium aluminate mineral and belongs to the orthorhombic crystal system. Most of the crystals are in the shape of orthorhombic columns. There are also granular and massive aggregates with glass luster, transparency and a hardness of 8. Topaz is rich in color, with yellowish brown being the most common, κόκκινος […]
The first series is Almandine, including Almandine, Spessartine and Spessartine. The English name of Almandine is Almandine, which comes from Latin, έννοια “charcoal powder”. Because of its high content of iron, it is mostly brownish red or brownish-black-red. It can emit a dark red like a fire when charcoal is burning, and some translucent ones […]
Crystal is a colorless and transparent quartz crystal mineral. It belongs to the trigonal crystal system. The crystal is usually a cone composed of a hexagonal double cone and a hexagonal column. It is also common to appear transparent in irregular or beautiful crystal clusters, με γυάλινη λάμψη, και μια σκληρότητα του 7. The main […]
Το Jadeite είναι ένα εμπορικό όνομα. Οντως, είναι ένα είδος βράχου που αποτελείται κυρίως από jadeite. Το κύριο συστατικό του νεφρίτη είναι το αργιλοπυριτικό νάτριο, που ανήκει στο μονοκλινικό κρυσταλλικό σύστημα. Τα μονοκρύσταλλα είναι σπάνια, συνήθως κοκκώδη ή ινώδη μικροκρυσταλλικά συμπαγή αδρανή, με λάμψη γυαλιού σε λάμψη γράσου, διαφανές έως αδιαφανές, και σκληρότητα του […]
Feldspar is an aluminosilicate mineral with potassium, sodium and calcium as the main chemical components. Feldspar has glass luster and pearl luster, διαφανές έως ημιδιαφανές, usually colorless, λευκό, light brown, green and blue Green is very rare in the feldspar family that can achieve good gem quality. Only feldspars with transparent crystals, bright colors and […]
Tanzanite, the English name Tanzanite, is derived from place names. It is a kind of vanadium-containing zoisite (V-Zoisite). Because it was discovered in Tanzania, Africa in 1967, the international gemstone community named it “Tanzania Stone”, or tanzanite for short. Tanzanite is calcium aluminosilicate and belongs to the epidote group of minerals in mineralogy. Είναι […]
Opal is a gemstone with a color-changing effect. Pliny, a famous natural scientist in ancient Rome, once described it as follows: “Σε μια πέτρα οπάλιο, you can see the flame of ruby, τα χρώματα σαν αμέθυστος, and the emerald sea. Πράσινος, the five colors are colorful, blending together, and beautiful.” Στην αρχαία Κίνα, οπάλιο […]
Fluorite is an important fluorine-containing mineral in nature, έτσι λέγεται και “φθορίτης”. A small number of fluorites are octahedrons and rhombic dodecahedrons, and some are twin crystals. Fluorite has glass luster, διαφανές έως ημιδιαφανές, hardness is brittle and easy to break, colorless and transparent are rare, mostly blue, πράσινος, μωβ, and white, αλλά […]
Rhodochrosite is a kind of manganese carbonate mineral and belongs to the trigonal crystal system. The crystals are rhombohedrons and are often produced as aggregates. They are granular blocks, γαλακτώδης, stalactites, nodules, and nodules with concentric layered patterns inside. It has glass luster to pearl luster, διαφανές έως ημιδιαφανές, σκληρότητα 3.5-4.5. The color of rhodochrosite […]