{"title":"Rocks \u0026 Minerals","description":"\u003cdiv class=\"collection-description\"\u003e\n \n  \u003cdiv class=\"category-intro\"\u003e\n    \u003cp\u003eRocks and minerals are the raw materials of earth science education. Igneous, sedimentary, and metamorphic rock specimens, individual minerals, fossils, curated specimen sets, petrographic thin-section slides, and identification tools — these are real geological samples that students can hold, test, and classify. The Lab Stockroom carries hand-sample specimens, classroom packs, and curated collections for geology, earth science, and environmental science courses at every level.\u003c\/p\u003e\n  \u003c\/div\u003e\n \n  \u003cdiv class=\"category-faq\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n \n    \u003c!-- Q: What types of rocks and minerals are available? --\u003e\n    \u003cdiv class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhat types of rocks and minerals are available?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003e\n          \u003cp\u003eRock and mineral specimens are organized into five main groups: igneous rocks, sedimentary rocks, metamorphic rocks, minerals, and fossils. Igneous rocks (granite, basalt, obsidian, pumice) formed from cooled magma or lava. Sedimentary rocks (limestone, sandstone, shale) formed from compressed sediment. Metamorphic rocks (marble, slate, quartzite, gneiss) formed from existing rocks transformed by heat and pressure. Minerals (quartz, feldspar, calcite, pyrite) are naturally occurring inorganic crystals with defined chemical compositions.\u003c\/p\u003e\n          \u003cp\u003eFossils round out the collection — preserved remains or traces of ancient organisms embedded in rock. Each specimen type is available as individual hand samples and in class packs of a single type (for example, a 12-pack of granite specimens so every student has one to examine). Curated specimen sets — like Mohs hardness kits, \"Intro to Rock Types\" collections, and mineral identification sets — bundle multiple different specimens into themed sets designed for specific lessons or units.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n \n    \u003c!-- Q: What rock and mineral specimens do I need for an earth science class? --\u003e\n    \u003cdiv class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhat rock and mineral specimens do I need for an earth science class?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003e\n          \u003cp\u003eAn earth science class typically needs representative samples from all three rock types (igneous, sedimentary, metamorphic), a set of common minerals, and identification testing tools (streak plates, hardness picks). A Mohs hardness kit is essential for teaching the mineral hardness scale. Adding a set of fossils rounds out the coverage for most standard earth science or geology curricula.\u003c\/p\u003e\n          \u003cp\u003eFor a class of 24 students working in groups of four, you need at least six of each specimen — or invest in class packs that provide enough for every student to hold and test their own sample. The hands-on experience of scratching a streak plate, testing hardness, and comparing luster is what makes geology tangible. Curated specimen sets simplify purchasing by bundling the specific rocks or minerals needed for common lessons — identification exercises, rock cycle demonstrations, and classification activities. Petrographic thin-section slides are used in more advanced geology courses where students examine rock microstructure under a polarizing microscope.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n \n    \u003c!-- Q: What is the difference between a rock and a mineral? --\u003e\n    \u003cdiv class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhat is the difference between a rock and a mineral?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003e\n          \u003cp\u003eA mineral is a naturally occurring, inorganic solid with a defined chemical composition and a crystalline structure — examples include quartz, feldspar, calcite, and pyrite. A rock is an aggregate of one or more minerals (or mineraloids) — granite, for instance, is a rock composed primarily of quartz, feldspar, and mica. In simple terms, minerals are the building blocks, and rocks are the structures made from them.\u003c\/p\u003e\n          \u003cp\u003eThis distinction is fundamental to geology and earth science education. When students identify a rock, they're looking at texture, grain size, and mineral composition. When they identify a mineral, they're testing hardness, streak, luster, cleavage, and crystal form. The testing methods are different, the classification systems are different, and the specimens are sold separately. Teaching both — and showing students how minerals combine to form rocks — is central to understanding the rock cycle and Earth's geological processes.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n \n    \u003c!-- Q: What is a Mohs hardness kit? --\u003e\n    \u003cdiv class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhat is a Mohs hardness kit?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003e\n          \u003cp\u003eA Mohs hardness kit is a curated set of mineral specimens representing each level of the Mohs hardness scale, from 1 (talc, the softest) to 10 (diamond, the hardest). Students use the kit to determine an unknown mineral's hardness by testing which known minerals it can scratch and which minerals scratch it. The Mohs scale is one of the most fundamental tools in mineral identification.\u003c\/p\u003e\n          \u003cp\u003eA standard kit includes specimens of talc, gypsum, calcite, fluorite, apatite, orthoclase feldspar, quartz, topaz, and corundum — diamond (10) is typically omitted or represented by a synthetic substitute due to cost. Some kits also include a streak plate, a glass plate, and a steel nail as intermediate hardness references. Mohs hardness testing is often the first hands-on geology activity students encounter, and the kits are reusable year after year with proper care. For classroom use, having multiple kits — one per lab station — keeps the lesson moving without bottlenecks.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n \n    \u003c!-- Q: What are petrographic slides? --\u003e\n    \u003cdiv class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhat are petrographic slides?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003e\n          \u003cp\u003ePetrographic slides are thin sections of rock or mineral specimens mounted on glass slides for examination under a petrographic (polarizing) microscope. Each slide is ground to approximately 30 micrometers thick — thin enough for polarized light to pass through — allowing students and researchers to observe mineral composition, grain boundaries, crystal structure, and optical properties that are invisible in hand samples.\u003c\/p\u003e\n          \u003cp\u003ePetrographic microscopy is a standard technique in university-level geology courses, mineralogy, and petrology. Thin sections reveal details like twinning in plagioclase, extinction angles, birefringence colors, and mineral zoning that help identify minerals and interpret the rock's formation history. Petrographic slide sets are typically organized by rock type (igneous, sedimentary, metamorphic) or by mineral group. These slides require a polarizing microscope — a standard compound microscope with crossed polarizers — which is a separate piece of lab equipment.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n \n    \u003c!-- Q: How should rock and mineral specimens be stored? --\u003e\n    \u003cdiv class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eHow should rock and mineral specimens be stored?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003e\n          \u003cp\u003eStore rock and mineral specimens in compartmentalized trays, divided boxes, or individual labeled containers to prevent specimens from scratching or chipping each other. Softer minerals (talc, gypsum, calcite) are especially vulnerable to damage from harder specimens. Label each specimen clearly with its name and, if applicable, its locality of origin and classification (igneous, sedimentary, metamorphic, or mineral type).\u003c\/p\u003e\n          \u003cp\u003eFor classroom use, stackable specimen trays with divided compartments are the most practical storage solution — they protect specimens, keep them organized, and make it easy to distribute and collect sets for each lab session. Fossil specimens should be stored with extra padding, as many are fragile. Avoid storing specimens in humid environments, as some minerals (like halite) are water-soluble and others (like pyrite) can oxidize over time. Curated sets often come in their own labeled storage boxes, which simplifies organization and makes inventory checks straightforward.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n \n    \u003c!-- Q: Where can I buy rock and mineral specimens for classrooms? --\u003e\n    \u003cdiv class=\"faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n      \u003ch3 itemprop=\"name\"\u003eWhere can I buy rock and mineral specimens for classrooms?\u003c\/h3\u003e\n      \u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n        \u003cdiv itemprop=\"text\"\u003e\n          \u003cp\u003eThe Lab Stockroom carries individual rock and mineral specimens, class packs, curated specimen sets, fossils, petrographic slides, and identification tools — available online with clear product descriptions and fast shipping from New York.\u003c\/p\u003e\n          \u003cp\u003eEarth science and geology departments commonly order class packs (multiple specimens of a single type), curated identification sets (multiple types bundled for a specific lesson), and Mohs hardness kits. Volume pricing and purchase order support are available, and tax-exempt purchasing is supported for qualifying educational institutions. If you're building a specimen collection from scratch or refreshing a worn set, contact the team for help matching specimens to your curriculum.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n \n  \u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"bg0013a","title":"6-Piece Premium Rock Specimen Set","description":"Six hand-picked rock specimens showcase varied igneous, metamorphic, and sedimentary textures for focused introductory geology lessons.","brand":"Eisco Labs","offers":[{"title":"Default Title","offer_id":1298843436,"sku":"BG0013A","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/0623\/files\/iivdhx9o1smh3fzn0iaa.jpg?v=1776557372"},{"product_id":"bg0013b","title":"12-Piece Premium Rock Specimen Set","description":"Twelve premium rock specimens expand the introductory set with additional igneous, metamorphic, and sedimentary samples for deeper classroom 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