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Black Indochinite Tektite Stone 2 to 15 gram size Small Pieces 2 kg Lot For Sale


Black Indochinite Tektite Stone 2 to 15 gram size Small Pieces 2 kg Lot


This item has been shown 6 times.

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Black Indochinite Tektite Stone 2 to 15 gram size Small Pieces 2 kg Lot:
$190

  • Indo-China Black Indochinite kg small size pieces lot (about 200 to 550 pieces in each lot)
  • Size: Each from 2 to 15 gram Each from 6x11x12 mm to 15x18x39 Discovered at Maoming, Guangdong Province, China
  • The pictures in the listing are just for reference as we are selling multiple lots with same tektite is known as an "Indochinite".
  • Indo-China Black Indochinite kg small size pieces lot (about 200 to 550 pieces in each lot)

    Size: Each from 2 to 15 gram pieces

    Dimension: Each from 6x11x12 mm to 15x18x39 Discovered at Maoming, Guangdong Province, China

    The pictures in the listing are just for reference as we are selling multiple lots with same tektite is known as an Tektites are solidified rock, which were fired into the Earth's upper atmosphere by a meteorite impact and subsequently cooled to form the distinctive glass-like structure. Indochinite Tektites are distinctly dark black in contrast to the green of European Moldavite Tektites. It is estimated that these bodies of solidified magma are 700,000 years old. Indochinite tektites, as the name suggests, are found in the Indochinese peninsula, from Australia and the Pacific islands of Micronesia in the east and south, to China and Indonesia in the north and west. The largest indochinite was a Muong-Nong type tektite (which are layered tektites), which had a mass of 29.0 kg.

    Tektites are gravel-size bodies that are composed of black, green, brown or gray, natural glass that are formed from terrestrial debris ejected during extraterrestrial impacts. They are characterized by 1. a fairly homogeneous composition; 2. an extremely low content of water and other volatiles; 3. an abundant lechatelierite; 4. a general lack of microscopic crystals known as microlites and chemical relation to the local bedrock or local sediments; and 5. their distribution within geographically extensive strewnfields. Tektites generally range in size from centimeters to millimeters. Millimeters-size tektites are known as microtektites.

    Although tektites are superficially similar to some terrestrial volcanic glasses (obsidians), they have unusual distinctive physical characteristics that distinguish them from such glasses. First, they are completely glassy and lack any microlites or phenocrysts unlike terrestrial volcanic glasses. Second, although high in silica (>65 wt%), the bulk chemical and isotopic composition of tektites is closer to those of shales and similar sedimentary rocks and quite different from the bulk chemical and isotopic composition of terrestrial volcanic glasses. Third, tektites contain virtually no water (<0.02 wt%) unlike terrestrial volcanic glasses. Fourth, the flow-banding within tektites often contains particles and bands of lechatelierite, which are not found in terrestrial volcanic glasses. Finally, a few tektites contain partly melted inclusions of shocked and unshocked mineral grains, i.e. quartz, apatite, and zircon, as well as coesite.

    The difference in water content can be used to distinguish tektites from terrestrial volcanic glasses. When heated to their melting point, terrestrial volcanic glasses will turn into a foamy glass because of their content of water and other volatiles. Unlike terrestrial volcanic glass, a tektite will produce only a few bubbles at most when heated to its melting point because of its much lower water and other volatiles content.


    Item SpecificsCountry/Region of Manufacture :ChinaCountry of Manufacture :ChinaOrigin :ChinaType :Black TektiteItem Type :TektiteType of Mineral :meteoriteSpecimen Type :Display SpecimensUPC :Does not applyModified Item :No
    Payment

    By Paypal

    Shipping

    Free shipping cost.

    We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.

    We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.

    Returns

    Returns: We accept returns with any reason in 30 days.

    Contact Us

    We will answer buyer messages within 24 hours during working days.

    From all around the world

    DESCRIPTIONPAYMENTSHIPPINGRETURN POLICYCONTACT US Black Indochinite Tektite Stone 2 to 15 gram size Small Pieces 2 kg Lot

    Indo-China Black Indochinite kg small size pieces lot (about 200 to 550 pieces in each lot)

    Size: Each from 2 to 15 gram pieces

    Dimension: Each from 6x11x12 mm to 15x18x39 Discovered at Maoming, Guangdong Province, China

    The pictures in the listing are just for reference as we are selling multiple lots with same tektite is known as an Tektites are solidified rock, which were fired into the Earth's upper atmosphere by a meteorite impact and subsequently cooled to form the distinctive glass-like structure. Indochinite Tektites are distinctly dark black in contrast to the green of European Moldavite Tektites. It is estimated that these bodies of solidified magma are 700,000 years old. Indochinite tektites, as the name suggests, are found in the Indochinese peninsula, from Australia and the Pacific islands of Micronesia in the east and south, to China and Indonesia in the north and west. The largest indochinite was a Muong-Nong type tektite (which are layered tektites), which had a mass of 29.0 kg.

    Tektites are gravel-size bodies that are composed of black, green, brown or gray, natural glass that are formed from terrestrial debris ejected during extraterrestrial impacts. They are characterized by 1. a fairly homogeneous composition; 2. an extremely low content of water and other volatiles; 3. an abundant lechatelierite; 4. a general lack of microscopic crystals known as microlites and chemical relation to the local bedrock or local sediments; and 5. their distribution within geographically extensive strewnfields. Tektites generally range in size from centimeters to millimeters. Millimeters-size tektites are known as microtektites.

    Although tektites are superficially similar to some terrestrial volcanic glasses (obsidians), they have unusual distinctive physical characteristics that distinguish them from such glasses. First, they are completely glassy and lack any microlites or phenocrysts unlike terrestrial volcanic glasses. Second, although high in silica (>65 wt%), the bulk chemical and isotopic composition of tektites is closer to those of shales and similar sedimentary rocks and quite different from the bulk chemical and isotopic composition of terrestrial volcanic glasses. Third, tektites contain virtually no water (<0.02 wt%) unlike terrestrial volcanic glasses. Fourth, the flow-banding within tektites often contains particles and bands of lechatelierite, which are not found in terrestrial volcanic glasses. Finally, a few tektites contain partly melted inclusions of shocked and unshocked mineral grains, i.e. quartz, apatite, and zircon, as well as coesite.

    The difference in water content can be used to distinguish tektites from terrestrial volcanic glasses. When heated to their melting point, terrestrial volcanic glasses will turn into a foamy glass because of their content of water and other volatiles. Unlike terrestrial volcanic glass, a tektite will produce only a few bubbles at most when heated to its melting point because of its much lower water and other volatiles content.

    Item SpecificsCountry/Region of Manufacture :ChinaCountry of Manufacture :ChinaOrigin :ChinaType :Black TektiteItem Type :TektiteType of Mineral :meteoriteSpecimen Type :Display SpecimensModified Item :No
    Payment

    By Paypal

    Shipping

    Free shipping cost.

    We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.

    We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.

    Returns

    Returns: We accept returns with any reason in 30 days.

    Contact Us

    We will answer buyer messages within 24 hours during working days.


    All right reserved.


    Shop CategoryStore Home animals lots◈Single stone◈Silver wired pendant◈Tiktite hanger Lapis Lazuli▷Polished stones▷Rough stone◈Craft items substitutes Stone carving Rough Stone & mineral◈Single piece◈Loose lots Polished Stone & mineral◈Single piece◈Loose lots Rough ruby & Star Ruby & Sapphire◈Star Ruby - Opaque◈Star Ruby - Star Sapphire◈Star Sapphire - other colors Animal specimen items◈Life set◈Key ring◈Bracelet or bangle◈Necklace or ball◈Laminated Opener◈Dome wasp, butterfly Plant Set◈Laminated items◈Seed or root Stone, mineral, fossil box set Jewelry crafts Paper cuts◈Small set OtherHot Item Black Indochinite Tektite Stone 10 pieces Plastic Box Set Natural Specimen Kit USD 16.00 Bat Skeleton GREATER BAMBOO BAT in Clear Block Education Real Animal Specimen USD 18.00 Tarantula Spider Real Specimen 6.7 cm Acrylic Dome Paperweight White bottom USD 17.00 Chinese Water Snake Skeleton in 110x45x18 mm Block Education Animal Specimen USD 24.00 10 Mohs Scale Stone Set clear plastic box Learning Real Specimen Kit USD 16.00 Picture

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