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Category: Minerals

Aug 21

Andalusite

DanushkaLeave a Comment on AndalusitePosted in Gem Hunting Travels, Gemology, Minerals, Stories Tagged

Andalusite is an aluminium nesosilicate mineral with the chemical formula Al2SiO5.  Andalusite is isomorphic with kyanite and sillimanite, being the lower pressure mid-temperature polymorph. Andalusite is a which forms under low pressure and low to high temperatures. The minerals kyanite and sillimanite are polymorphs of andalusite, each occurring under different temperature-pressure regimes. Andalusite is orthorhombic crystal mineral with 6.5 – […]

Aug 12

Garnet

DanushkaLeave a Comment on GarnetPosted in Gem Hunting Travels, Gem Mining, Minerals, Stories Tagged , , ,

Garnets are a group of silicate minerals. All species of garnets possess similar physical properties and crystal forms but differ in chemical composition Such as Pyrope Mg3Al2Si3O12, Almandine Fe3Al2Si3O12, Spessartine Mn3Al2Si3O12, Andradite Ca3Fe2Si3O12, Grossular Ca3Al2Si3O12, Uvarovite Ca3Cr2Si3O12. Most Garnets have a variable magnetic attraction. This characteristic also uses to identify garnet. Pyrope – almandine – […]

Aug 11

Pargasite and Pink Spinel Crystals on Calcite Marble

DanushkaLeave a Comment on Pargasite and Pink Spinel Crystals on Calcite MarblePosted in Gem Hunting Travels, Gemology, Minerals, Stories

Spinel is the magnesium aluminium member of the larger spinel group of minerals with chemical formula MgAl₂O₄ This oxide mineral is Cubic crystal system with 7.5–8.0 hardness according to Mohs hardness scale. Spinels Specific Gravity is depending on the composition of chemicals such as Zn-rich spinel can be as high as 4.40, otherwise it averages […]

Jul 31

Kornerupine – Rare Boro Silicates Mineral from Sri Lanka

DanushkaLeave a Comment on Kornerupine – Rare Boro Silicates Mineral from Sri LankaPosted in Gem Hunting Travels, Gem Mining, Gemology, Minerals, Stories

Kornerupine 柱晶石 Kornerupine is a rare boro-silicate mineral with the formula (Mg, Fe²⁺)₄(Al, Fe³⁺)₆(SiO₄, BO₄)₅(O, OH)₂. It has a specific gravity of 3.3 to 3.34 and Colours such as Colorless, white, grey, greenish, bluish, brown, black. Some Stones show strong Pleochroism such as colorless to green, colorless, pale brownish yellow, pale yellowish green, pale brownish green and […]

Jul 28

Iolite ( Cordierite)

DanushkaLeave a Comment on Iolite ( Cordierite)Posted in Gem Hunting Travels, Gem Mining, Gemology, Minerals, Stories

iolite is a magnesium iron aluminium cyclosilicate Mineral. also Know as ” Cordierite”. It is magnesium rich Stone chemical formula (Mg,Fe)2Al4Si5O18. that iron rich mineral called ” sekaninaite”. Healing Properties 👇 Iolite are stones of vision, stimulate the imagination and this may aid their use as shamanic stones. It activates the third eye and facilitates visualisation and intuitive […]

Jul 04

Ceylon Natural Enstatite

DanushkaLeave a Comment on Ceylon Natural EnstatitePosted in Gem Hunting Travels, Gem Mining, Gemology, Minerals, Stories

Ceylon Natural Enstatite 頑火輝石（頑辉石） Enstatite is a mineral; the magnesium endmember of the pyroxene silicate mineral series enstatite – ferrosilite. Emerald green variety of enstatite is called chrome-enstatite. Mostly, That green is because of Chromium. Even though, Enstatite has weak double reflection (DR), It has strong Pleochroism. • Formula : MgSiO3 • Crystal System : […]

Jun 12

Extremely Rare Gemstone – Natural Grandidierite

DanushkaLeave a Comment on Extremely Rare Gemstone – Natural GrandidieritePosted in Gem Hunting Travels, Gem Mining, Gemology, Minerals, Practical Gemology, Stories Tagged

Extremely Rare Gemstone – Natural Grandidierite Grandidierite is an extremely rare mineral and gem that was first discovered in 1902 in southern Madagascar. Grandidierite is nesosilicates mineral with the chemical formula (Mg, Fe2+)(Al, Fe3+)3(SiO4)(BO3)O2. It is found colors such as Bluish-green, greenish-blue with 7½ hardness according to the more hardness scale. Grandidierite can be seen […]

May 02

Gemstones mining Sri Lanka – Danu Group ( Natural gemstones Direct from the Source )

DanushkaLeave a Comment on Gemstones mining Sri Lanka – Danu Group ( Natural gemstones Direct from the Source )Posted in Gem Hunting Travels, Gem Mining, Minerals, Stories

The island of Sri Lanka has a heritage for gem mining and trading that dates back 2000 years. Sri Lanka is a tropical island situated in the Indian Ocean. Sri Lanka namesake as the ‘Gem Island’ and  ‘Island of Gems’ (Ratna Dweepa), with its abundance of corundum gems, chrysoberyl and alexandrite, garnet, moonstone, peridot, spinel, […]

May 02

Gem Mining Sri Lanka – Get Amazing Experience

DanushkaLeave a Comment on Gem Mining Sri Lanka – Get Amazing ExperiencePosted in Gem Hunting Travels, Gem Mining, Minerals, Stories Tagged , ,

After washing minerals, they are going to home   through Beautiful paddy field along weir… Would you like to see how gem mining???           See ” How Gem Mining ” Get Real Experience  ” Here Your Gemstones Desire”  W O R L D W I D E 🌍 • Gem Lovers • Jewellers • Collectors W […]