MALACHITE PSEUDOMORPH AZURITE Milpillas Mine Mun. de Santa Cruz Sonora, Mexico
2 x 1.2 x 1.2 Inches 5 x 3 x 3 Centimeters
Additional information and photos available upon request
Malachite is a green, very common secondary copper mineral with a widely variable habit. Typically it is found as crystalline aggregates or crusts, often banded in appearance, like agates. It is also often found as botryoidal clusters of radiating crystals, and as mammillary aggregates as well. Single crystals and clusters of distinguishable crystals are uncommon, but when found they are typically acicular to prismatic. It is also frequently found as a pseudomorph after Azurite crystals, which are generally more tabular in shape. Credit: Mindat.org
Africa contains several outstanding Malachite deposits. The mines at Katanga (Shaba), especially at Kolwezi, in the D.R. Congo (Zaire) produce Malachite in all sorts of odd shapes and forms, and are the source of the best banded, concentric, stalactitic and sparkling specimens. Tsumeb, Namibia, has also produced some of the best Malachite, especially Malachite pseudomorphs after Azurite. The Emke Mine in Ogonja, Namibia is also an outstanding Malachite locality. Morocco also contains fabulous Malachite sources, specifically in Touissit and Kerrouchene.
Australia contains important Malachite localities at Burra Burra, South Australia; the Rum Jungle, Batchelor, Northern Territory; and the Sir Dominick Mine, Flinders Ranges, South Australia. A new specimen producer is China, where gorgeous Malachite comes from the Shilu Mine, Yangchun, Guangdong Province, with amazing stalactites worthy of special mention. Chessy, in the Rhône-Alpes, France, is an old and classic locality, where excellent pseudomorphs of Malachite after Cuprite occur in octahedral and even dodecahedral crystals.
Malachite from Brazil is especially prolific in Seabra, Bahia; and popular Mexican Malachite deposits include El Cobre, Concepcion del Oro, Zacatecas; and the now popular Milpillas Mine, Cananea, in Sonora.
In the U.S., Arizona is by far the most prolific producer of Malachite, and the mines at Bisbee, Cochise Co., are well known among all collectors for their outstanding variety and quality of Malachite. Other important Arizona localities are Morenci, Greenlee Co.; Ajo, Pima Co.; Mammoth-Saint Anthony, Tiger, Pinal Co.; and the Globe-Miami District, Gila Co.
Pseudomorph mineral specimens are minerals or mineral compounds with atypical formation, resulting from a process of substitution or replacement. In description, pseudomorph specimens are generally noted as (replacement mineral) after (original mineral) - and the word pseudomorph literally means “false form”.
Paramorph: Also called allomorphs, paramorphs are pseudomorph specimens which have experienced change only on the molecular level. Paramorphs maintain their original, unaltered form and chemical composition, but with a different molecular structure. Usually, this means replacement of a mineral by one of its dimorphs – a mineral with the same chemical structure, but a different molecule structure.
Substitution: Also referred to as “infiltration pseudomorphs” these specimens are formed when one mineral or material is replaced by another. The original formation's shape is preserved, but the original mineral undergoes complete chemical substitution by a subsequent mineral. The result is a specimen which maintains the shape and form of the original mineral, but with the color, hardness, density, and other properties of the second mineral.
Perimorph: Also referred to as “incrustation pseudomorphs”, perimorphs are formed when one mineral coats another, forming a crust of material which encases the original formation. This new crust remains intact, while the original mineral dissolves, resulting in a mold-like formation, with surfaces which exhibit the shape of both materials. This dissolution most often occurs through exposure to naturally occurring acidic solutions – though, in some cases, it can be purposefully induced.
Alteration: The process of alteration is similar to that above, except that pseudomorph specimens which undergo alteration have experienced only partial replacement or substitution. This typically occurs in situations where the original mineral undergoes a chemical reaction to another mineral of similar composition – resulting in a transformation of chemical composition, which retains the original crystalline form. These changes often occur on “exposed” surfaces, resulting in a pseudomorph which contains a core of unaltered original material.
Epimorph: An epimorph is a mineral whose shape has been formed by its environment – usually, as a coating over an original mineral. The original may or may not have dissolved – but if it has, these pseudomorph specimens are sometimes referred to as “casts”. A geode is an example of an epimorph.
MINERALS: We guarantee the mineral specimen you purchase will be the exact item you receive. It is important to us that you enjoy your mineral specimen as much as we enjoyed sourcing it for you. We use professional photography and video to show you every inch of the specimen using optimal lighting/setup conditions. If you want to view a specimen from a certain angle or lighting source we are happy to provide more images/videos at your request.
Minerals over $1,000 include a certificate of authenticity from Invenio Fine Minerals. We only issue a certificate of authenticity for minerals we sell.
Measurement Descriptions: Thumbnail: 0.2 to 3 Centimeters / .0625 - 1.118 Inches Miniature: 3+ to 5 Centimeters / 1.125 - 1.96 Inches Cabinet: 5+ to 9.5 Centimeters / 2.0 - 3.7 Inches Large Cabinet: Greater than 10 Centimeters / Greater than 4 Inches
Minerals pictured attached to an acrylic base will be delivered attached to the base. We can unmount the specimen for you if you prefer. We offer basic and custom mineral mounting services, contact us for more info.
PURCHASING: We use Shopify for our online checkout system, Invenio Fine Minerals does not store your personal or banking information outside of the Shopify system. All of our transactions are secure through the Shopify system, if you have any questions please contact us.
All sales final.
SHIPPING: We use premium packaging materials to protect mineral specimens, every order is carefully packaged and thoughtfully protected.
Shipping in the United States: Free shipping in the United States!
Tracking is included on every purchase Insurance is optional, please read below
Worldwide Shipping: $55 flat for all international orders* *Certain restrictions and additional charges may apply depending on buyers location*
We only ship orders to the UK and EU with a value over $200 USD
We ship international with USPS Priority Mail - Tracking is included.
Invenio Fine Minerals does not charge VAT or import fees on international orders
Buyer is responsible for all import taxes and fees.
Insurance is not included on international orders.
US Shipping Insurance: Insurance is not included on all orders. We insure packages on a case-by-case basis, if you would like to insure your package please contact us.
Damage or Loss: If your mineral is damaged or lost during shipment we will work with you to compensate you for the issue. Shipping times are currently longer than usual because of COVID so please be patient if your tracking is not updating regularly.
If your package arrives damaged please keep ALL of the original packaging as it may be required by the shipping service for an insurance review. Contact us immediately with any issues.
Please unpack your mineral/s with care, we are not responsible for damage during unpacking.